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Event List
| 23 Feb 2018 | Round 00 |  Boston Red | 4 - 3 | Minnesota Twins |
| 23 Feb 2018 | Round 00 | Toronto Blue | 2 - 1 | Philadelphia Phillies |
| 23 Feb 2018 | Round 00 | Cleveland Indians | 4 - 6 | Cincinnati Reds |
| 23 Feb 2018 | Round 00 | Colorado Rockies | 6 - 7 | Arizona Diamondbacks |
| 24 Feb 2018 | Round 00 | Houston Astros | 6 - 1 | Atlanta Braves |
| 24 Feb 2018 | Round 00 | Philadelphia Phillies | 9 - 6 | Baltimore Orioles |
| 24 Feb 2018 | Round 00 | Detroit Tigers | 5 - 4 | Toronto Blue |
| 24 Feb 2018 | Round 00 | Cincinnati Reds | 4 - 11 | Colorado Rockies |
| 24 Feb 2018 | Round 00 | Arizona Diamondbacks | 2 - 11 | Cleveland Indians |
| 24 Feb 2018 | Round 00 | Baltimore Orioles | 1 - 1 | Minnesota Twins |
| 25 Feb 2018 | Round 00 | Boston Red | 7 - 1 | Baltimore Orioles |
| 25 Feb 2018 | Round 00 | Detroit Tigers | 8 - 8 | Pittsburgh Pirates |
| 25 Feb 2018 | Round 00 | Toronto Blue | 3 - 6 | Detroit Tigers |
| 25 Feb 2018 | Round 00 | Texas Rangers | 4 - 2 | Colorado Rockies |
| 25 Feb 2018 | Round 00 | Cincinnati Reds | 2 - 2 | Cleveland Indians |
| 25 Feb 2018 | Round 00 | Arizona Diamondbacks | 1 - 5 | Milwaukee Brewers |
| 26 Feb 2018 | Round 00 | Pittsburgh Pirates | 2 - 13 | Boston Red |
| 26 Feb 2018 | Round 00 | Baltimore Orioles | 6 - 8 | Detroit Tigers |
| 26 Feb 2018 | Round 00 | Miami Marlins | 11 - 0 | Houston Astros |
| 26 Feb 2018 | Round 00 | Cincinnati Reds | 2 - 5 | Arizona Diamondbacks |
| 26 Feb 2018 | Round 00 | Milwaukee Brewers | 7 - 6 | Cleveland Indians |
| 26 Feb 2018 | Round 00 | Arizona Diamondbacks | 7 - 4 | Colorado Rockies |
| 27 Feb 2018 | Round 00 | Philadelphia Phillies | 6 - 11 | Detroit Tigers |
| 27 Feb 2018 | Round 00 | Atlanta Braves | 3 - 3 | Pittsburgh Pirates |
| 27 Feb 2018 | Round 00 | Milwaukee Brewers | 6 - 3 | Cincinnati Reds |
| 27 Feb 2018 | Round 00 | Cleveland Indians | 16 - 8 | Oakland Athletics |
| 27 Feb 2018 | Round 00 | Minnesota Twins | 2 - 3 | Boston Red |
| 28 Feb 2018 | Round 00 | Boston Red | 4 - 3 | Pittsburgh Pirates |
| 28 Feb 2018 | Round 00 | Houston Astros | 2 - 4 | Minnesota Twins |
| 28 Feb 2018 | Round 00 | Toronto Blue | 7 - 1 | Philadelphia Phillies |
| 28 Feb 2018 | Round 00 | Cleveland Indians | 4 - 2 | Seattle Mariners |
| 28 Feb 2018 | Round 00 | Arizona Diamondbacks | 3 - 9 | Colorado Rockies |
| 01 Mar 2018 | Round 00 | Detroit Tigers | 2 - 5 | Atlanta Braves |
| 01 Mar 2018 | Round 00 | Houston Astros | 10 - 5 | Boston Red |
| 01 Mar 2018 | Round 00 | Pittsburgh Pirates | 4 - 1 | Toronto Blue |
| 01 Mar 2018 | Round 00 | Oakland Athletics | 4 - 9 | Texas Rangers |
| 01 Mar 2018 | Round 00 | Arizona Diamondbacks | 1 - 6 | Milwaukee Brewers |
| 02 Mar 2018 | Round 00 | Detroit Tigers | 8 - 3 | Miami Marlins |
| 02 Mar 2018 | Round 00 | Baltimore Orioles | 10 - 8 | Pittsburgh Pirates |
| 02 Mar 2018 | Round 00 | Minnesota Twins | 2 - 1 | Toronto Blue |
| 02 Mar 2018 | Round 00 | Milwaukee Brewers | 2 - 4 | Seattle Mariners |
| 02 Mar 2018 | Round 00 | Cleveland Indians | 9 - 4 | Texas Rangers |
| 02 Mar 2018 | Round 00 | Colorado Rockies | 15 - 6 | Arizona Diamondbacks |
| 03 Mar 2018 | Round 00 | Philadelphia Phillies | 2 - 4 | Baltimore Orioles |
| 03 Mar 2018 | Round 00 | Pittsburgh Pirates | 4 - 3 | Philadelphia Phillies |
| 03 Mar 2018 | Round 00 | Toronto Blue | 13 - 8 | Minnesota Twins |
| 03 Mar 2018 | Round 00 | Colorado Rockies | 5 - 6 | Milwaukee Brewers |
| 04 Mar 2018 | Round 00 | Atlanta Braves | 5 - 2 | Miami Marlins |
| 04 Mar 2018 | Round 00 | Baltimore Orioles | 10 - 8 | Boston Red |
| 04 Mar 2018 | Round 00 | Minnesota Twins | 3 - 9 | Pittsburgh Pirates |
| 04 Mar 2018 | Round 00 | Philadelphia Phillies | 4 - 2 | Toronto Blue |
| 04 Mar 2018 | Round 00 | Milwaukee Brewers | 2 - 6 | Cleveland Indians |
| 04 Mar 2018 | Round 00 | Texas Rangers | 7 - 10 | Seattle Mariners |
| 05 Mar 2018 | Round 00 | Houston Astros | 5 - 3 | Miami Marlins |
| 05 Mar 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | Minnesota Twins |
| 05 Mar 2018 | Round 00 | Atlanta Braves | 7 - 5 | Pittsburgh Pirates |
| 06 Mar 2018 | Round 00 | Minnesota Twins | 9 - 8 | Baltimore Orioles |
| 06 Mar 2018 | Round 00 | Toronto Blue | 1 - 5 | Atlanta Braves |
| 06 Mar 2018 | Round 00 | Cincinnati Reds | 7 - 6 | Cleveland Indians |
| 06 Mar 2018 | Round 00 | Oakland Athletics | 5 - 3 | Texas Rangers |
| 06 Mar 2018 | Round 00 | Seattle Mariners | 2 - 3 | Colorado Rockies |
| 07 Mar 2018 | Round 00 | Philadelphia Phillies | 2 - 1 | Boston Red |
| 07 Mar 2018 | Round 00 | Houston Astros | 6 - 7 | Miami Marlins |
| 07 Mar 2018 | Round 00 | Detroit Tigers | 5 - 6 | Toronto Blue |
| 07 Mar 2018 | Round 00 | Boston Red | 1 - 8 | Minnesota Twins |
| 07 Mar 2018 | Round 00 | Toronto Blue | 13 - 4 | Pittsburgh Pirates |
| 07 Mar 2018 | Round 00 | Colorado Rockies | 5 - 4 | Texas Rangers |
| 07 Mar 2018 | Round 00 | Seattle Mariners | 3 - 7 | Oakland Athletics |
| 08 Mar 2018 | Round 00 | Pittsburgh Pirates | 8 - 3 | Detroit Tigers |
| 08 Mar 2018 | Round 00 | Atlanta Braves | 4 - 6 | Houston Astros |
| 08 Mar 2018 | Round 00 | Baltimore Orioles | 3 - 9 | Toronto Blue |
| 08 Mar 2018 | Round 00 | Milwaukee Brewers | 6 - 11 | Arizona Diamondbacks |
| 08 Mar 2018 | Round 00 | Colorado Rockies | 3 - 2 | Cincinnati Reds |
| 09 Mar 2018 | Round 00 | Miami Marlins | 5 - 4 | Boston Red |
| 09 Mar 2018 | Round 00 | Philadelphia Phillies | 4 - 5 | Pittsburgh Pirates |
| 09 Mar 2018 | Round 00 | Toronto Blue | 8 - 5 | Baltimore Orioles |
| 09 Mar 2018 | Round 00 | Milwaukee Brewers | 0 - 2 | Oakland Athletics |
| 09 Mar 2018 | Round 00 | Colorado Rockies | 5 - 8 | Cleveland Indians |
| 09 Mar 2018 | Round 00 | Cincinnati Reds | 6 - 3 | Texas Rangers |
| 10 Mar 2018 | Round 00 | Pittsburgh Pirates | 1 - 15 | Atlanta Braves |
| 10 Mar 2018 | Round 00 | Minnesota Twins | 0 - 0 | Boston Red |
| 10 Mar 2018 | Round 00 | Baltimore Orioles | 13 - 5 | Pittsburgh Pirates |
| 10 Mar 2018 | Round 00 | Toronto Blue | 6 - 3 | Detroit Tigers |
| 10 Mar 2018 | Round 00 | Milwaukee Brewers | 9 - 2 | Colorado Rockies |
| 10 Mar 2018 | Round 00 | Texas Rangers | 8 - 2 | Oakland Athletics |
| 10 Mar 2018 | Round 00 | Cincinnati Reds | 2 - 5 | Seattle Mariners |
| 11 Mar 2018 | Round 00 | Detroit Tigers | 6 - 3 | Atlanta Braves |
| 11 Mar 2018 | Round 00 | Boston Red | 3 - 7 | Baltimore Orioles |
| 11 Mar 2018 | Round 00 | Toronto Blue | 0 - 5 | Pittsburgh Pirates |
| 11 Mar 2018 | Round 00 | Cleveland Indians | 4 - 5 | Milwaukee Brewers |
| 11 Mar 2018 | Round 00 | Seattle Mariners | 5 - 6 | Cincinnati Reds |
| 11 Mar 2018 | Round 00 | Baltimore Orioles | 4 - 0 | Philadelphia Phillies |
| 12 Mar 2018 | Round 00 | Pittsburgh Pirates | 5 - 8 | Baltimore Orioles |
| 12 Mar 2018 | Round 00 | Toronto Blue | 4 - 6 | Boston Red |
| 12 Mar 2018 | Round 00 | Cleveland Indians | 4 - 2 | Texas Rangers |
| 12 Mar 2018 | Round 00 | Arizona Diamondbacks | 2 - 4 | Colorado Rockies |
| 12 Mar 2018 | Round 00 | Atlanta Braves | 0 - 3 | Philadelphia Phillies |
| 13 Mar 2018 | Round 00 | Minnesota Twins | 5 - 7 | Baltimore Orioles |
| 13 Mar 2018 | Round 00 | Atlanta Braves | 6 - 13 | Toronto Blue |
| 13 Mar 2018 | Round 00 | Milwaukee Brewers | 4 - 3 | Texas Rangers |
| 13 Mar 2018 | Round 00 | Colorado Rockies | 8 - 7 | Seattle Mariners |
| 14 Mar 2018 | Round 00 | Minnesota Twins | 1 - 2 | Boston Red |
| 14 Mar 2018 | Round 00 | Atlanta Braves | 5 - 3 | Philadelphia Phillies |
| 14 Mar 2018 | Round 00 | Arizona Diamondbacks | 7 - 3 | Cincinnati Reds |
| 15 Mar 2018 | Round 00 | Atlanta Braves | 8 - 1 | Detroit Tigers |
| 15 Mar 2018 | Round 00 | Boston Red | 7 - 5 | Toronto Blue |
| 15 Mar 2018 | Round 00 | Cleveland Indians | 6 - 10 | Cincinnati Reds |
| 15 Mar 2018 | Round 00 | Texas Rangers | 6 - 5 | Milwaukee Brewers |
| 15 Mar 2018 | Round 00 | Oakland Athletics | 2 - 6 | Seattle Mariners |
| 16 Mar 2018 | Round 00 | Pittsburgh Pirates | 12 - 9 | Atlanta Braves |
| 16 Mar 2018 | Round 00 | Detroit Tigers | 6 - 6 | Philadelphia Phillies |
| 16 Mar 2018 | Round 00 | Philadelphia Phillies | 4 - 6 | Toronto Blue |
| 16 Mar 2018 | Round 00 | Oakland Athletics | 7 - 3 | Cleveland Indians |
| 16 Mar 2018 | Round 00 | Cincinnati Reds | 13 - 16 | Milwaukee Brewers |
| 16 Mar 2018 | Round 00 | Texas Rangers | 7 - 9 | Seattle Mariners |
| 16 Mar 2018 | Round 00 | Boston Red | 4 - 2 | Minnesota Twins |
| 17 Mar 2018 | Round 00 | Philadelphia Phillies | 10 - 6 | Atlanta Braves |
| 17 Mar 2018 | Round 00 | Miami Marlins | 6 - 6 | Houston Astros |
| 17 Mar 2018 | Round 00 | Pittsburgh Pirates | 13 - 5 | Minnesota Twins |
| 17 Mar 2018 | Round 00 | Baltimore Orioles | 2 - 5 | Toronto Blue |
| 17 Mar 2018 | Round 00 | Milwaukee Brewers | 4 - 3 | Colorado Rockies |
| 17 Mar 2018 | Round 00 | Oakland Athletics | 1 - 4 | Seattle Mariners |
| 18 Mar 2018 | Round 00 | Houston Astros | 3 - 6 | Atlanta Braves |
| 18 Mar 2018 | Round 00 | Pittsburgh Pirates | 1 - 2 | Boston Red |
| 18 Mar 2018 | Round 00 | Minnesota Twins | 4 - 3 | Philadelphia Phillies |
| 18 Mar 2018 | Round 00 | Toronto Blue | 5 - 2 | Pittsburgh Pirates |
| 18 Mar 2018 | Round 00 | Cincinnati Reds | 6 - 3 | Arizona Diamondbacks |
| 18 Mar 2018 | Round 00 | Seattle Mariners | 3 - 16 | Cleveland Indians |
| 19 Mar 2018 | Round 00 | Boston Red | 6 - 5 | Philadelphia Phillies |
| 19 Mar 2018 | Round 00 | Detroit Tigers | 2 - 4 | Baltimore Orioles |
| 19 Mar 2018 | Round 00 | Pittsburgh Pirates | 11 - 8 | Minnesota Twins |
| 19 Mar 2018 | Round 00 | Atlanta Braves | 6 - 0 | Toronto Blue |
| 19 Mar 2018 | Round 00 | Texas Rangers | 1 - 5 | Colorado Rockies |
| 20 Mar 2018 | Round 00 | Boston Red | 12 - 6 | Pittsburgh Pirates |
| 20 Mar 2018 | Round 00 | Philadelphia Phillies | 2 - 0 | Toronto Blue |
| 20 Mar 2018 | Round 00 | Colorado Rockies | 4 - 4 | Milwaukee Brewers |
| 21 Mar 2018 | Round 00 | Toronto Blue | 7 - 7 | Philadelphia Phillies |
| 21 Mar 2018 | Round 00 | Milwaukee Brewers | 4 - 3 | Oakland Athletics |
| 21 Mar 2018 | Round 00 | Atlanta Braves | 3 - 2 | Detroit Tigers |
| 21 Mar 2018 | Round 00 | Minnesota Twins | 3 - 1 | Pittsburgh Pirates |
| 21 Mar 2018 | Round 00 | Seattle Mariners | 7 - 4 | Milwaukee Brewers |
| 22 Mar 2018 | Round 00 | Baltimore Orioles | 10 - 7 | Boston Red |
| 22 Mar 2018 | Round 00 | Philadelphia Phillies | 2 - 6 | Detroit Tigers |
| 22 Mar 2018 | Round 00 | Houston Astros | 7 - 15 | Miami Marlins |
| 22 Mar 2018 | Round 00 | Oakland Athletics | 2 - 4 | Colorado Rockies |
| 22 Mar 2018 | Round 00 | Pittsburgh Pirates | 4 - 5 | Toronto Blue |
| 22 Mar 2018 | Round 00 | Texas Rangers | 6 - 7 | Cincinnati Reds |
| 22 Mar 2018 | Round 00 | Seattle Mariners | 5 - 4 | Texas Rangers |
| 23 Mar 2018 | Round 00 | Pittsburgh Pirates | 2 - 8 | Philadelphia Phillies |
| 23 Mar 2018 | Round 00 | Atlanta Braves | 3 - 11 | Detroit Tigers |
| 23 Mar 2018 | Round 00 | Minnesota Twins | 2 - 2 | Houston Astros |
| 23 Mar 2018 | Round 00 | Colorado Rockies | 8 - 2 | Cincinnati Reds |
| 23 Mar 2018 | Round 00 | Cleveland Indians | 6 - 1 | Arizona Diamondbacks |
| 24 Mar 2018 | Round 00 | Boston Red | 6 - 0 | Houston Astros |
| 24 Mar 2018 | Round 00 | Detroit Tigers | 1 - 4 | Philadelphia Phillies |
| 24 Mar 2018 | Round 00 | Texas Rangers | 3 - 10 | Cleveland Indians |
| 24 Mar 2018 | Round 00 | Oakland Athletics | 5 - 10 | Milwaukee Brewers |
| 24 Mar 2018 | Round 00 | Baltimore Orioles | 4 - 12 | Minnesota Twins |
| 25 Mar 2018 | Round 00 | Detroit Tigers | 10 - 3 | Atlanta Braves |
| 25 Mar 2018 | Round 00 | Philadelphia Phillies | 5 - 6 | Baltimore Orioles |
| 25 Mar 2018 | Round 00 | Minnesota Twins | 1 - 6 | Boston Red |
| 25 Mar 2018 | Round 00 | Miami Marlins | 2 - 6 | Houston Astros |
| 25 Mar 2018 | Round 00 | Toronto Blue | 4 - 7 | Pittsburgh Pirates |
| 25 Mar 2018 | Round 00 | Cleveland Indians | 6 - 4 | Cincinnati Reds |
| 25 Mar 2018 | Round 00 | Colorado Rockies | 3 - 8 | Arizona Diamondbacks |
| 26 Mar 2018 | Round 00 | Pittsburgh Pirates | 3 - 6 | Philadelphia Phillies |
| 26 Mar 2018 | Round 00 | Texas Rangers | 6 - 5 | Cincinnati Reds |
| 26 Mar 2018 | Round 00 | Houston Astros | 5 - 2 | Milwaukee Brewers |
| 26 Mar 2018 | Round 00 | Arizona Diamondbacks | 7 - 0 | Cleveland Indians |
| 27 Mar 2018 | Round 00 | Philadelphia Phillies | 5 - 5 | Pittsburgh Pirates |
| 27 Mar 2018 | Round 00 | Texas Rangers | 0 - 0 | Cincinnati Reds |
| 27 Mar 2018 | Round 00 | Houston Astros | 8 - 1 | Milwaukee Brewers |
| 27 Mar 2018 | Round 00 | Colorado Rockies | 3 - 5 | Seattle Mariners |
| 27 Mar 2018 | Round 00 | Arizona Diamondbacks | 3 - 3 | Cleveland Indians |
| 29 Mar 2018 | Round 00 | Seattle Mariners | 2 - 1 | Cleveland Indians |
| 29 Mar 2018 | Round 00 | Arizona Diamondbacks | 8 - 2 | Colorado Rockies |
| 29 Mar 2018 | Round 00 | Miami Marlins | - | Chicago Cubs |
| 29 Mar 2018 | Round 00 | Detroit Tigers | 0 - 0 | Pittsburgh Pirates |
| 29 Mar 2018 | Round 00 | New York | - | St. Louis |
| 29 Mar 2018 | Round 00 | Baltimore Orioles | 3 - 2 | Minnesota Twins |
| 29 Mar 2018 | Round 00 | Texas Rangers | 1 - 4 | Houston Astros |
| 29 Mar 2018 | Round 00 | Toronto Blue | - | New York |
| 29 Mar 2018 | Round 00 | Tampa Bay | - | Boston Red |
| 29 Mar 2018 | Round 00 | Oakland Athletics | - | Los Angeles |
| 29 Mar 2018 | Round 00 | San Diego | - | Milwaukee Brewers |
| 29 Mar 2018 | Round 00 | Atlanta Braves | 8 - 5 | Philadelphia Phillies |
| 29 Mar 2018 | Round 00 | Cincinnati Reds | - | Washington Nationals |
| 29 Mar 2018 | Round 00 | Kansas City | - | Chicago White |
| 29 Mar 2018 | Round 00 | Los Angeles | - | San Francisco |
| 30 Mar 2018 | Round 00 | Detroit Tigers | 10 - 13 | Pittsburgh Pirates |
| 30 Mar 2018 | Round 00 | Texas Rangers | 5 - 1 | Houston Astros |
| 30 Mar 2018 | Round 00 | Seattle Mariners | - | Cleveland Indians |
| 30 Mar 2018 | Round 00 | Arizona Diamondbacks | 9 - 8 | Colorado Rockies |
| 30 Mar 2018 | Round 00 | Toronto Blue | - | New York |
| 30 Mar 2018 | Round 00 | Tampa Bay | - | Boston Red |
| 30 Mar 2018 | Round 00 | Miami Marlins | - | Chicago Cubs |
| 30 Mar 2018 | Round 00 | Atlanta Braves | 4 - 5 | Philadelphia Phillies |
| 31 Mar 2018 | Round 00 | Texas Rangers | 3 - 9 | Houston Astros |
| 31 Mar 2018 | Round 00 | Arizona Diamondbacks | 1 - 2 | Colorado Rockies |
| 31 Mar 2018 | Round 00 | Oakland Athletics | - | Los Angeles |
| 31 Mar 2018 | Round 00 | San Diego | - | Milwaukee Brewers |
| 31 Mar 2018 | Round 00 | Los Angeles | - | San Francisco |
| 31 Mar 2018 | Round 00 | Detroit Tigers | 0 - 0 | Pittsburgh Pirates |
| 31 Mar 2018 | Round 00 | New York | - | St. Louis |
| 31 Mar 2018 | Round 00 | Cincinnati Reds | - | Washington Nationals |
| 31 Mar 2018 | Round 00 | Toronto Blue | - | New York |
| 31 Mar 2018 | Round 00 | Seattle Mariners | 5 - 6 | Cleveland Indians |
| 31 Mar 2018 | Round 00 | Tampa Bay | - | Boston Red |
| 31 Mar 2018 | Round 00 | Baltimore Orioles | 2 - 6 | Minnesota Twins |
| 31 Mar 2018 | Round 00 | Miami Marlins | - | Chicago Cubs |
| 31 Mar 2018 | Round 00 | Atlanta Braves | 15 - 2 | Philadelphia Phillies |
| 31 Mar 2018 | Round 00 | Kansas City | - | Chicago White |
| 01 Apr 2018 | Round 00 | Arizona Diamondbacks | - | Colorado Rockies |
| 01 Apr 2018 | Round 00 | San Diego | - | Milwaukee Brewers |
| 01 Apr 2018 | Round 00 | Los Angeles | - | San Francisco |
| 01 Apr 2018 | Round 00 | Baltimore Orioles | 0 - 7 | Minnesota Twins |
| 01 Apr 2018 | Round 00 | Toronto Blue | - | New York |
| 01 Apr 2018 | Round 00 | Tampa Bay | - | Boston Red |
| 01 Apr 2018 | Round 00 | Miami Marlins | - | Chicago Cubs |
| 01 Apr 2018 | Round 00 | Detroit Tigers | 0 - 1 | Pittsburgh Pirates |
| 01 Apr 2018 | Round 00 | New York | - | St. Louis |
| 01 Apr 2018 | Round 00 | Kansas City | - | Chicago White |
| 01 Apr 2018 | Round 00 | Texas Rangers | 2 - 8 | Houston Astros |
| 01 Apr 2018 | Round 00 | Oakland Athletics | - | Los Angeles |
| 01 Apr 2018 | Round 00 | Seattle Mariners | 5 - 4 | Cleveland Indians |
| 01 Apr 2018 | Round 00 | Cincinnati Reds | - | Washington Nationals |
| 02 Apr 2018 | Round 00 | Oakland Athletics | 3 - 1 | Texas Rangers |
| 02 Apr 2018 | Round 00 | Los Angeles | - | San Francisco |
| 02 Apr 2018 | Round 00 | Pittsburgh Pirates | 5 - 4 | Minnesota Twins |
| 02 Apr 2018 | Round 00 | New York | - | Tampa Bay |
| 02 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 02 Apr 2018 | Round 00 | Milwaukee Brewers | - | St. Louis |
| 02 Apr 2018 | Round 00 | Cincinnati Reds | - | Chicago Cubs |
| 02 Apr 2018 | Round 00 | Toronto Blue | - | Chicago White |
| 02 Apr 2018 | Round 00 | Houston Astros | 6 - 1 | Baltimore Orioles |
| 02 Apr 2018 | Round 00 | Miami Marlins | 3 - 7 | Boston Red |
| 02 Apr 2018 | Round 00 | New York | - | Philadelphia Phillies |
| 02 Apr 2018 | Round 00 | Atlanta Braves | - | Washington Nationals |
| 03 Apr 2018 | Round 00 | Houston Astros | 10 - 6 | Baltimore Orioles |
| 03 Apr 2018 | Round 00 | Arizona Diamondbacks | - | Los Angeles |
| 03 Apr 2018 | Round 00 | Oakland Athletics | 1 - 4 | Texas Rangers |
| 03 Apr 2018 | Round 00 | Los Angeles | - | Cleveland Indians |
| 03 Apr 2018 | Round 00 | San Diego | - | Colorado Rockies |
| 03 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 03 Apr 2018 | Round 00 | San Francisco | - | Seattle Mariners |
| 03 Apr 2018 | Round 00 | Miami Marlins | 2 - 4 | Boston Red |
| 03 Apr 2018 | Round 00 | Cincinnati Reds | - | Chicago Cubs |
| 03 Apr 2018 | Round 00 | Toronto Blue | - | Chicago White |
| 03 Apr 2018 | Round 00 | New York | - | Philadelphia Phillies |
| 03 Apr 2018 | Round 00 | Atlanta Braves | - | Washington Nationals |
| 03 Apr 2018 | Round 00 | Milwaukee Brewers | - | St. Louis |
| 04 Apr 2018 | Round 00 | Houston Astros | 3 - 2 | Baltimore Orioles |
| 04 Apr 2018 | Round 00 | Arizona Diamondbacks | - | Los Angeles |
| 04 Apr 2018 | Round 00 | Oakland Athletics | 6 - 2 | Texas Rangers |
| 04 Apr 2018 | Round 00 | Los Angeles | - | Cleveland Indians |
| 04 Apr 2018 | Round 00 | San Diego | - | Colorado Rockies |
| 04 Apr 2018 | Round 00 | Atlanta Braves | - | Washington Nationals |
| 04 Apr 2018 | Round 00 | New York | - | Tampa Bay |
| 04 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 04 Apr 2018 | Round 00 | New York | - | Philadelphia Phillies |
| 04 Apr 2018 | Round 00 | Pittsburgh Pirates | 3 - 7 | Minnesota Twins |
| 04 Apr 2018 | Round 00 | Toronto Blue | - | Chicago White |
| 04 Apr 2018 | Round 00 | San Francisco | - | Seattle Mariners |
| 04 Apr 2018 | Round 00 | Milwaukee Brewers | - | St. Louis |
| 05 Apr 2018 | Round 00 | Oakland Athletics | 3 - 6 | Texas Rangers |
| 05 Apr 2018 | Round 00 | San Diego | - | Colorado Rockies |
| 05 Apr 2018 | Round 00 | Washington Nationals | - | New York |
| 05 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 05 Apr 2018 | Round 00 | Philadelphia Phillies | 5 - 0 | Miami Marlins |
| 05 Apr 2018 | Round 00 | Chicago White | - | Detroit Tigers |
| 05 Apr 2018 | Round 00 | Minnesota Twins | 4 - 2 | Seattle Mariners |
| 05 Apr 2018 | Round 00 | New York | - | Baltimore Orioles |
| 05 Apr 2018 | Round 00 | Pittsburgh Pirates | 5 - 2 | Cincinnati Reds |
| 05 Apr 2018 | Round 00 | St. Louis | - | Arizona Diamondbacks |
| 06 Apr 2018 | Round 00 | Texas Rangers | 5 - 8 | Toronto Blue |
| 06 Apr 2018 | Round 00 | Milwaukee Brewers | - | Chicago Cubs |
| 06 Apr 2018 | Round 00 | Colorado Rockies | 3 - 8 | Atlanta Braves |
| 06 Apr 2018 | Round 00 | Cleveland Indians | - | Kansas City |
| 06 Apr 2018 | Round 00 | New York | - | Baltimore Orioles |
| 06 Apr 2018 | Round 00 | Pittsburgh Pirates | 14 - 3 | Cincinnati Reds |
| 07 Apr 2018 | Round 00 | Colorado Rockies | 3 - 2 | Atlanta Braves |
| 07 Apr 2018 | Round 00 | Texas Rangers | 5 - 1 | Toronto Blue |
| 07 Apr 2018 | Round 00 | Milwaukee Brewers | - | Chicago Cubs |
| 07 Apr 2018 | Round 00 | Houston Astros | - | San Diego |
| 07 Apr 2018 | Round 00 | Los Angeles | - | Oakland Athletics |
| 07 Apr 2018 | Round 00 | San Francisco | - | Los Angeles |
| 07 Apr 2018 | Round 00 | New York | - | Baltimore Orioles |
| 07 Apr 2018 | Round 00 | Washington Nationals | - | New York |
| 07 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 07 Apr 2018 | Round 00 | Chicago White | - | Detroit Tigers |
| 07 Apr 2018 | Round 00 | Minnesota Twins | 4 - 11 | Seattle Mariners |
| 07 Apr 2018 | Round 00 | St. Louis | - | Arizona Diamondbacks |
| 07 Apr 2018 | Round 00 | Cleveland Indians | - | Kansas City |
| 07 Apr 2018 | Round 00 | Philadelphia Phillies | 20 - 1 | Miami Marlins |
| 07 Apr 2018 | Round 00 | Pittsburgh Pirates | 4 - 7 | Cincinnati Reds |
| 08 Apr 2018 | Round 00 | Texas Rangers | 4 - 7 | Toronto Blue |
| 08 Apr 2018 | Round 00 | Colorado Rockies | 0 - 4 | Atlanta Braves |
| 08 Apr 2018 | Round 00 | Los Angeles | - | Oakland Athletics |
| 08 Apr 2018 | Round 00 | New York | - | Baltimore Orioles |
| 08 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 08 Apr 2018 | Round 00 | Cleveland Indians | - | Kansas City |
| 08 Apr 2018 | Round 00 | Pittsburgh Pirates | 5 - 0 | Cincinnati Reds |
| 08 Apr 2018 | Round 00 | Philadelphia Phillies | 3 - 6 | Miami Marlins |
| 08 Apr 2018 | Round 00 | Milwaukee Brewers | - | Chicago Cubs |
| 08 Apr 2018 | Round 00 | Chicago White | - | Detroit Tigers |
| 08 Apr 2018 | Round 00 | Houston Astros | - | San Diego |
| 08 Apr 2018 | Round 00 | Minnesota Twins | 0 - 0 | Seattle Mariners |
| 08 Apr 2018 | Round 00 | St. Louis | - | Arizona Diamondbacks |
| 08 Apr 2018 | Round 00 | San Francisco | - | Los Angeles |
| 09 Apr 2018 | Round 00 | Minnesota Twins | 0 - 2 | Houston Astros |
| 09 Apr 2018 | Round 00 | Washington Nationals | - | New York |
| 09 Apr 2018 | Round 00 | Chicago Cubs | - | Pittsburgh Pirates |
| 09 Apr 2018 | Round 00 | Cleveland Indians | 2 - 0 | Detroit Tigers |
| 09 Apr 2018 | Round 00 | Washington Nationals | - | Atlanta Braves |
| 09 Apr 2018 | Round 00 | Philadelphia Phillies | 6 - 5 | Cincinnati Reds |
| 09 Apr 2018 | Round 00 | St. Louis | - | Milwaukee Brewers |
| 09 Apr 2018 | Round 00 | Baltimore Orioles | 1 - 7 | Toronto Blue |
| 09 Apr 2018 | Round 00 | Miami Marlins | - | New York |
| 10 Apr 2018 | Round 00 | Kansas City | - | Seattle Mariners |
| 10 Apr 2018 | Round 00 | Colorado Rockies | - | San Diego |
| 10 Apr 2018 | Round 00 | San Francisco | - | Arizona Diamondbacks |
| 10 Apr 2018 | Round 00 | Cleveland Indians | 2 - 1 | Detroit Tigers |
| 10 Apr 2018 | Round 00 | Washington Nationals | - | Atlanta Braves |
| 10 Apr 2018 | Round 00 | Philadelphia Phillies | 6 - 1 | Cincinnati Reds |
| 10 Apr 2018 | Round 00 | Baltimore Orioles | 1 - 2 | Toronto Blue |
| 10 Apr 2018 | Round 00 | Miami Marlins | - | New York |
| 10 Apr 2018 | Round 00 | Boston Red | - | New York |
| 10 Apr 2018 | Round 00 | Texas Rangers | - | Los Angeles |
| 10 Apr 2018 | Round 00 | Minnesota Twins | 4 - 1 | Houston Astros |
| 10 Apr 2018 | Round 00 | Chicago White | - | Tampa Bay |
| 11 Apr 2018 | Round 00 | Texas Rangers | - | Los Angeles |
| 11 Apr 2018 | Round 00 | Minnesota Twins | 9 - 8 | Houston Astros |
| 11 Apr 2018 | Round 00 | St. Louis | - | Milwaukee Brewers |
| 11 Apr 2018 | Round 00 | Kansas City | - | Seattle Mariners |
| 11 Apr 2018 | Round 00 | Colorado Rockies | - | San Diego |
| 11 Apr 2018 | Round 00 | Los Angeles | - | Oakland Athletics |
| 11 Apr 2018 | Round 00 | San Francisco | - | Arizona Diamondbacks |
| 11 Apr 2018 | Round 00 | Washington Nationals | - | Atlanta Braves |
| 11 Apr 2018 | Round 00 | Chicago White | - | Tampa Bay |
| 11 Apr 2018 | Round 00 | Cleveland Indians | 5 - 1 | Detroit Tigers |
| 11 Apr 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | Cincinnati Reds |
| 11 Apr 2018 | Round 00 | Baltimore Orioles | 5 - 3 | Toronto Blue |
| 11 Apr 2018 | Round 00 | Miami Marlins | - | New York |
| 11 Apr 2018 | Round 00 | Boston Red | - | New York |
| 12 Apr 2018 | Round 00 | Texas Rangers | - | Los Angeles |
| 12 Apr 2018 | Round 00 | Chicago Cubs | - | Pittsburgh Pirates |
| 12 Apr 2018 | Round 00 | Los Angeles | - | Oakland Athletics |
| 12 Apr 2018 | Round 00 | Cleveland Indians | 9 - 3 | Detroit Tigers |
| 12 Apr 2018 | Round 00 | Cincinnati Reds | - | St. Louis |
| 12 Apr 2018 | Round 00 | Washington Nationals | - | Colorado Rockies |
| 12 Apr 2018 | Round 00 | Boston Red | - | New York |
| 13 Apr 2018 | Round 00 | Minnesota Twins | - | Chicago White |
| 13 Apr 2018 | Round 00 | Kansas City | - | Los Angeles |
| 13 Apr 2018 | Round 00 | San Diego | - | San Francisco |
| 13 Apr 2018 | Round 00 | Chicago Cubs | - | Atlanta Braves |
| 13 Apr 2018 | Round 00 | Cincinnati Reds | - | St. Louis |
| 13 Apr 2018 | Round 00 | Washington Nationals | - | Colorado Rockies |
| 13 Apr 2018 | Round 00 | Boston Red | 7 - 3 | Baltimore Orioles |
| 13 Apr 2018 | Round 00 | New York | - | Milwaukee Brewers |
| 13 Apr 2018 | Round 00 | Detroit Tigers | - | New York |
| 13 Apr 2018 | Round 00 | Tampa Bay | - | Philadelphia Phillies |
| 13 Apr 2018 | Round 00 | Miami Marlins | 7 - 2 | Pittsburgh Pirates |
| 13 Apr 2018 | Round 00 | Cleveland Indians | 4 - 8 | Toronto Blue |
| 13 Apr 2018 | Round 00 | Houston Astros | 3 - 2 | Texas Rangers |
| 13 Apr 2018 | Round 00 | Seattle Mariners | 7 - 4 | Oakland Athletics |
| 14 Apr 2018 | Round 00 | Minnesota Twins | - | Chicago White |
| 14 Apr 2018 | Round 00 | Houston Astros | 5 - 6 | Texas Rangers |
| 14 Apr 2018 | Round 00 | Kansas City | - | Los Angeles |
| 14 Apr 2018 | Round 00 | Los Angeles | - | Arizona Diamondbacks |
| 14 Apr 2018 | Round 00 | Seattle Mariners | 10 - 8 | Oakland Athletics |
| 14 Apr 2018 | Round 00 | San Diego | - | San Francisco |
| 14 Apr 2018 | Round 00 | Boston Red | 10 - 3 | Baltimore Orioles |
| 14 Apr 2018 | Round 00 | Washington Nationals | - | Colorado Rockies |
| 14 Apr 2018 | Round 00 | Detroit Tigers | - | New York |
| 14 Apr 2018 | Round 00 | Cincinnati Reds | - | St. Louis |
| 14 Apr 2018 | Round 00 | Chicago Cubs | - | Atlanta Braves |
| 14 Apr 2018 | Round 00 | Cleveland Indians | 0 - 0 | Toronto Blue |
| 14 Apr 2018 | Round 00 | Tampa Bay | - | Philadelphia Phillies |
| 14 Apr 2018 | Round 00 | New York | - | Milwaukee Brewers |
| 14 Apr 2018 | Round 00 | Miami Marlins | 0 - 1 | Pittsburgh Pirates |
| 15 Apr 2018 | Round 00 | San Diego | - | San Francisco |
| 15 Apr 2018 | Round 00 | Los Angeles | - | Arizona Diamondbacks |
| 15 Apr 2018 | Round 00 | Seattle Mariners | 1 - 2 | Oakland Athletics |
| 15 Apr 2018 | Round 00 | Boston Red | 3 - 1 | Baltimore Orioles |
| 15 Apr 2018 | Round 00 | New York | - | Milwaukee Brewers |
| 15 Apr 2018 | Round 00 | Detroit Tigers | - | New York |
| 15 Apr 2018 | Round 00 | Tampa Bay | - | Philadelphia Phillies |
| 15 Apr 2018 | Round 00 | Miami Marlins | 3 - 7 | Pittsburgh Pirates |
| 15 Apr 2018 | Round 00 | Cincinnati Reds | - | St. Louis |
| 15 Apr 2018 | Round 00 | Cleveland Indians | 0 - 0 | Toronto Blue |
| 15 Apr 2018 | Round 00 | Washington Nationals | - | Colorado Rockies |
| 15 Apr 2018 | Round 00 | Minnesota Twins | - | Chicago White |
| 15 Apr 2018 | Round 00 | Kansas City | - | Los Angeles |
| 15 Apr 2018 | Round 00 | Chicago Cubs | - | Atlanta Braves |
| 15 Apr 2018 | Round 00 | Houston Astros | 1 - 3 | Texas Rangers |
| 16 Apr 2018 | Round 00 | Houston Astros | - | Texas Rangers |
| 16 Apr 2018 | Round 00 | Boston Red | 0 - 0 | Baltimore Orioles |
| 16 Apr 2018 | Round 00 | New York | - | Miami Marlins |
| 16 Apr 2018 | Round 00 | Pittsburgh Pirates | 2 - 6 | Colorado Rockies |
| 16 Apr 2018 | Round 00 | Chicago Cubs | - | St. Louis |
| 16 Apr 2018 | Round 00 | Toronto Blue | - | Kansas City |
| 16 Apr 2018 | Round 00 | Tampa Bay | - | Texas Rangers |
| 16 Apr 2018 | Round 00 | New York | - | Washington Nationals |
| 16 Apr 2018 | Round 00 | Atlanta Braves | 2 - 1 | Philadelphia Phillies |
| 16 Apr 2018 | Round 00 | Milwaukee Brewers | 4 - 10 | Cincinnati Reds |
| 16 Apr 2018 | Round 00 | Seattle Mariners | 2 - 1 | Houston Astros |
| 17 Apr 2018 | Round 00 | Oakland Athletics | - | Chicago White |
| 17 Apr 2018 | Round 00 | Seattle Mariners | 1 - 4 | Houston Astros |
| 17 Apr 2018 | Round 00 | San Diego | - | Los Angeles |
| 17 Apr 2018 | Round 00 | New York | - | Miami Marlins |
| 17 Apr 2018 | Round 00 | Detroit Tigers | 4 - 2 | Baltimore Orioles |
| 17 Apr 2018 | Round 00 | Pittsburgh Pirates | 0 - 2 | Colorado Rockies |
| 17 Apr 2018 | Round 00 | Toronto Blue | - | Kansas City |
| 17 Apr 2018 | Round 00 | Minnesota Twins | 1 - 6 | Cleveland Indians |
| 17 Apr 2018 | Round 00 | Tampa Bay | - | Texas Rangers |
| 17 Apr 2018 | Round 00 | New York | - | Washington Nationals |
| 17 Apr 2018 | Round 00 | Atlanta Braves | 1 - 5 | Philadelphia Phillies |
| 17 Apr 2018 | Round 00 | Milwaukee Brewers | 2 - 0 | Cincinnati Reds |
| 18 Apr 2018 | Round 00 | Chicago Cubs | - | St. Louis |
| 18 Apr 2018 | Round 00 | Arizona Diamondbacks | - | San Francisco |
| 18 Apr 2018 | Round 00 | Oakland Athletics | - | Chicago White |
| 18 Apr 2018 | Round 00 | Los Angeles | - | Boston Red |
| 18 Apr 2018 | Round 00 | Seattle Mariners | 1 - 7 | Houston Astros |
| 18 Apr 2018 | Round 00 | San Diego | - | Los Angeles |
| 18 Apr 2018 | Round 00 | Pittsburgh Pirates | 10 - 2 | Colorado Rockies |
| 18 Apr 2018 | Round 00 | Tampa Bay | - | Texas Rangers |
| 18 Apr 2018 | Round 00 | Milwaukee Brewers | 2 - 0 | Cincinnati Reds |
| 18 Apr 2018 | Round 00 | Toronto Blue | - | Kansas City |
| 18 Apr 2018 | Round 00 | Detroit Tigers | 6 - 5 | Baltimore Orioles |
| 18 Apr 2018 | Round 00 | Minnesota Twins | 2 - 1 | Cleveland Indians |
| 18 Apr 2018 | Round 00 | New York | - | Washington Nationals |
| 18 Apr 2018 | Round 00 | Atlanta Braves | 7 - 3 | Philadelphia Phillies |
| 19 Apr 2018 | Round 00 | Arizona Diamondbacks | - | San Francisco |
| 19 Apr 2018 | Round 00 | Los Angeles | - | Boston Red |
| 19 Apr 2018 | Round 00 | Seattle Mariners | 2 - 9 | Houston Astros |
| 19 Apr 2018 | Round 00 | San Diego | - | Los Angeles |
| 19 Apr 2018 | Round 00 | Detroit Tigers | 13 - 8 | Baltimore Orioles |
| 19 Apr 2018 | Round 00 | New York | - | Toronto Blue |
| 19 Apr 2018 | Round 00 | Philadelphia Phillies | 7 - 0 | Pittsburgh Pirates |
| 19 Apr 2018 | Round 00 | Atlanta Braves | - | New York |
| 19 Apr 2018 | Round 00 | Milwaukee Brewers | 12 - 3 | Miami Marlins |
| 20 Apr 2018 | Round 00 | Milwaukee Brewers | 8 - 0 | Miami Marlins |
| 20 Apr 2018 | Round 00 | Arizona Diamondbacks | - | San Francisco |
| 20 Apr 2018 | Round 00 | Los Angeles | - | Boston Red |
| 20 Apr 2018 | Round 00 | Baltimore Orioles | 3 - 1 | Cleveland Indians |
| 20 Apr 2018 | Round 00 | Philadelphia Phillies | 2 - 1 | Pittsburgh Pirates |
| 20 Apr 2018 | Round 00 | New York | - | Toronto Blue |
| 20 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 20 Apr 2018 | Round 00 | Tampa Bay | - | Minnesota Twins |
| 20 Apr 2018 | Round 00 | Atlanta Braves | - | New York |
| 20 Apr 2018 | Round 00 | Texas Rangers | 2 - 6 | Seattle Mariners |
| 20 Apr 2018 | Round 00 | Oakland Athletics | 3 - 7 | Boston Red |
| 21 Apr 2018 | Round 00 | Texas Rangers | 7 - 9 | Seattle Mariners |
| 21 Apr 2018 | Round 00 | Chicago White | - | Houston Astros |
| 21 Apr 2018 | Round 00 | Milwaukee Brewers | 6 - 5 | Miami Marlins |
| 21 Apr 2018 | Round 00 | St. Louis | - | Cincinnati Reds |
| 21 Apr 2018 | Round 00 | Colorado Rockies | - | Chicago Cubs |
| 21 Apr 2018 | Round 00 | Arizona Diamondbacks | - | San Diego |
| 21 Apr 2018 | Round 00 | Oakland Athletics | 3 - 0 | Boston Red |
| 21 Apr 2018 | Round 00 | Los Angeles | - | San Francisco |
| 21 Apr 2018 | Round 00 | Los Angeles | - | Washington Nationals |
| 21 Apr 2018 | Round 00 | New York | - | Toronto Blue |
| 21 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 21 Apr 2018 | Round 00 | Baltimore Orioles | 0 - 4 | Cleveland Indians |
| 21 Apr 2018 | Round 00 | Philadelphia Phillies | 6 - 2 | Pittsburgh Pirates |
| 21 Apr 2018 | Round 00 | Tampa Bay | - | Minnesota Twins |
| 21 Apr 2018 | Round 00 | Atlanta Braves | - | New York |
| 22 Apr 2018 | Round 00 | Texas Rangers | 7 - 4 | Seattle Mariners |
| 22 Apr 2018 | Round 00 | Colorado Rockies | - | Chicago Cubs |
| 22 Apr 2018 | Round 00 | Arizona Diamondbacks | - | San Diego |
| 22 Apr 2018 | Round 00 | Oakland Athletics | 4 - 1 | Boston Red |
| 22 Apr 2018 | Round 00 | Los Angeles | - | San Francisco |
| 22 Apr 2018 | Round 00 | Los Angeles | - | Washington Nationals |
| 22 Apr 2018 | Round 00 | Baltimore Orioles | 3 - 7 | Cleveland Indians |
| 22 Apr 2018 | Round 00 | New York | - | Toronto Blue |
| 22 Apr 2018 | Round 00 | Detroit Tigers | - | Kansas City |
| 22 Apr 2018 | Round 00 | Tampa Bay | - | Minnesota Twins |
| 22 Apr 2018 | Round 00 | Atlanta Braves | - | New York |
| 22 Apr 2018 | Round 00 | Philadelphia Phillies | 3 - 2 | Pittsburgh Pirates |
| 22 Apr 2018 | Round 00 | Chicago White | - | Houston Astros |
| 22 Apr 2018 | Round 00 | Milwaukee Brewers | 4 - 2 | Miami Marlins |
| 22 Apr 2018 | Round 00 | St. Louis | - | Cincinnati Reds |
| 23 Apr 2018 | Round 00 | Texas Rangers | 4 - 9 | Oakland Athletics |
| 23 Apr 2018 | Round 00 | Los Angeles | - | Washington Nationals |
| 23 Apr 2018 | Round 00 | Cincinnati Reds | 10 - 4 | Atlanta Braves |
| 23 Apr 2018 | Round 00 | Baltimore Orioles | 1 - 2 | Cleveland Indians |
| 23 Apr 2018 | Round 00 | New York | - | Minnesota Twins |
| 24 Apr 2018 | Round 00 | Texas Rangers | 2 - 3 | Oakland Athletics |
| 24 Apr 2018 | Round 00 | Houston Astros | - | Los Angeles |
| 24 Apr 2018 | Round 00 | Chicago White | - | Seattle Mariners |
| 24 Apr 2018 | Round 00 | Colorado Rockies | - | San Diego |
| 24 Apr 2018 | Round 00 | Los Angeles | - | Miami Marlins |
| 24 Apr 2018 | Round 00 | San Francisco | - | Washington Nationals |
| 24 Apr 2018 | Round 00 | Cleveland Indians | - | Chicago Cubs |
| 24 Apr 2018 | Round 00 | New York | - | Minnesota Twins |
| 24 Apr 2018 | Round 00 | Cincinnati Reds | 9 - 7 | Atlanta Braves |
| 24 Apr 2018 | Round 00 | Philadelphia Phillies | 4 - 8 | Arizona Diamondbacks |
| 24 Apr 2018 | Round 00 | Pittsburgh Pirates | 0 - 0 | Detroit Tigers |
| 24 Apr 2018 | Round 00 | Baltimore Orioles | - | Tampa Bay |
| 24 Apr 2018 | Round 00 | Toronto Blue | 4 - 3 | Boston Red |
| 25 Apr 2018 | Round 00 | Texas Rangers | 4 - 2 | Oakland Athletics |
| 25 Apr 2018 | Round 00 | Houston Astros | - | Los Angeles |
| 25 Apr 2018 | Round 00 | Kansas City | - | Milwaukee Brewers |
| 25 Apr 2018 | Round 00 | St. Louis | - | New York |
| 25 Apr 2018 | Round 00 | Colorado Rockies | - | San Diego |
| 25 Apr 2018 | Round 00 | Los Angeles | - | Miami Marlins |
| 25 Apr 2018 | Round 00 | San Francisco | - | Washington Nationals |
| 25 Apr 2018 | Round 00 | Chicago White | - | Seattle Mariners |
| 25 Apr 2018 | Round 00 | New York | - | Minnesota Twins |
| 25 Apr 2018 | Round 00 | Cincinnati Reds | 4 - 5 | Atlanta Braves |
| 25 Apr 2018 | Round 00 | Philadelphia Phillies | 5 - 3 | Arizona Diamondbacks |
| 25 Apr 2018 | Round 00 | Pittsburgh Pirates | 10 - 13 | Detroit Tigers |
| 25 Apr 2018 | Round 00 | Baltimore Orioles | - | Tampa Bay |
| 25 Apr 2018 | Round 00 | Toronto Blue | 3 - 4 | Boston Red |
| 25 Apr 2018 | Round 00 | Cleveland Indians | - | Chicago Cubs |
| 26 Apr 2018 | Round 00 | Texas Rangers | - | Oakland Athletics |
| 26 Apr 2018 | Round 00 | Kansas City | - | Milwaukee Brewers |
| 26 Apr 2018 | Round 00 | St. Louis | - | New York |
| 26 Apr 2018 | Round 00 | Cincinnati Reds | 4 - 7 | Atlanta Braves |
| 26 Apr 2018 | Round 00 | Pittsburgh Pirates | 1 - 0 | Detroit Tigers |
| 26 Apr 2018 | Round 00 | Philadelphia Phillies | 2 - 8 | Arizona Diamondbacks |
| 26 Apr 2018 | Round 00 | New York | - | Minnesota Twins |
| 26 Apr 2018 | Round 00 | Cleveland Indians | 4 - 5 | Seattle Mariners |
| 26 Apr 2018 | Round 00 | Baltimore Orioles | - | Tampa Bay |
| 26 Apr 2018 | Round 00 | Toronto Blue | 4 - 5 | Boston Red |
| 27 Apr 2018 | Round 00 | Minnesota Twins | 9 - 15 | Cincinnati Reds |
| 27 Apr 2018 | Round 00 | Houston Astros | 1 - 8 | Oakland Athletics |
| 27 Apr 2018 | Round 00 | Chicago Cubs | - | Milwaukee Brewers |
| 27 Apr 2018 | Round 00 | Kansas City | - | Chicago White |
| 27 Apr 2018 | Round 00 | Washington Nationals | - | Arizona Diamondbacks |
| 27 Apr 2018 | Round 00 | Philadelphia Phillies | 7 - 3 | Atlanta Braves |
| 27 Apr 2018 | Round 00 | Baltimore Orioles | 6 - 0 | Detroit Tigers |
| 27 Apr 2018 | Round 00 | Pittsburgh Pirates | - | St. Louis |
| 27 Apr 2018 | Round 00 | Toronto Blue | 4 - 6 | Texas Rangers |
| 27 Apr 2018 | Round 00 | Miami Marlins | 0 - 1 | Colorado Rockies |
| 27 Apr 2018 | Round 00 | Cleveland Indians | 6 - 5 | Seattle Mariners |
| 27 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 28 Apr 2018 | Round 00 | Minnesota Twins | 3 - 1 | Cincinnati Reds |
| 28 Apr 2018 | Round 00 | Houston Astros | 11 - 0 | Oakland Athletics |
| 28 Apr 2018 | Round 00 | Kansas City | - | Chicago White |
| 28 Apr 2018 | Round 00 | Los Angeles | - | New York |
| 28 Apr 2018 | Round 00 | San Diego | - | New York |
| 28 Apr 2018 | Round 00 | San Francisco | - | Los Angeles |
| 28 Apr 2018 | Round 00 | Chicago Cubs | - | Milwaukee Brewers |
| 28 Apr 2018 | Round 00 | Washington Nationals | - | Arizona Diamondbacks |
| 28 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 28 Apr 2018 | Round 00 | Toronto Blue | 4 - 7 | Texas Rangers |
| 28 Apr 2018 | Round 00 | Cleveland Indians | 4 - 12 | Seattle Mariners |
| 28 Apr 2018 | Round 00 | Philadelphia Phillies | 1 - 4 | Atlanta Braves |
| 28 Apr 2018 | Round 00 | Baltimore Orioles | 5 - 9 | Detroit Tigers |
| 28 Apr 2018 | Round 00 | Pittsburgh Pirates | - | St. Louis |
| 28 Apr 2018 | Round 00 | Miami Marlins | 4 - 1 | Colorado Rockies |
| 29 Apr 2018 | Round 00 | San Diego | - | New York |
| 29 Apr 2018 | Round 00 | San Francisco | - | Los Angeles |
| 29 Apr 2018 | Round 00 | Los Angeles | - | New York |
| 29 Apr 2018 | Round 00 | Baltimore Orioles | 5 - 3 | Detroit Tigers |
| 29 Apr 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 29 Apr 2018 | Round 00 | Toronto Blue | 7 - 2 | Texas Rangers |
| 29 Apr 2018 | Round 00 | Miami Marlins | 3 - 0 | Colorado Rockies |
| 29 Apr 2018 | Round 00 | Cleveland Indians | 4 - 10 | Seattle Mariners |
| 29 Apr 2018 | Round 00 | Washington Nationals | - | Arizona Diamondbacks |
| 29 Apr 2018 | Round 00 | Philadelphia Phillies | 1 - 10 | Atlanta Braves |
| 29 Apr 2018 | Round 00 | Pittsburgh Pirates | - | St. Louis |
| 29 Apr 2018 | Round 00 | Minnesota Twins | 2 - 8 | Cincinnati Reds |
| 29 Apr 2018 | Round 00 | Houston Astros | 8 - 4 | Oakland Athletics |
| 29 Apr 2018 | Round 00 | Kansas City | - | Chicago White |
| 29 Apr 2018 | Round 00 | Chicago Cubs | - | Milwaukee Brewers |
| 30 Apr 2018 | Round 00 | Minnesota Twins | 5 - 7 | Toronto Blue |
| 30 Apr 2018 | Round 00 | Los Angeles | - | New York |
| 30 Apr 2018 | Round 00 | Cleveland Indians | 7 - 5 | Texas Rangers |
| 30 Apr 2018 | Round 00 | Chicago Cubs | - | Colorado Rockies |
| 30 Apr 2018 | Round 00 | Washington Nationals | - | Pittsburgh Pirates |
| 30 Apr 2018 | Round 00 | Boston Red | - | Kansas City |
| 30 Apr 2018 | Round 00 | Cincinnati Reds | 5 - 6 | Milwaukee Brewers |
| 30 Apr 2018 | Round 00 | Miami Marlins | 8 - 4 | Philadelphia Phillies |
| 30 Apr 2018 | Round 00 | Detroit Tigers | - | Tampa Bay |
| 01 May 2018 | Round 00 | Seattle Mariners | 6 - 3 | Oakland Athletics |
| 01 May 2018 | Round 00 | Houston Astros | - | New York |
| 01 May 2018 | Round 00 | Minnesota Twins | 4 - 7 | Toronto Blue |
| 01 May 2018 | Round 00 | Arizona Diamondbacks | - | Los Angeles |
| 01 May 2018 | Round 00 | San Francisco | - | San Diego |
| 01 May 2018 | Round 00 | Cleveland Indians | 6 - 8 | Texas Rangers |
| 01 May 2018 | Round 00 | Washington Nationals | - | Pittsburgh Pirates |
| 01 May 2018 | Round 00 | New York | - | Atlanta Braves |
| 01 May 2018 | Round 00 | Boston Red | 6 - 7 | Kansas City |
| 01 May 2018 | Round 00 | Cincinnati Reds | 6 - 7 | Milwaukee Brewers |
| 01 May 2018 | Round 00 | Miami Marlins | 2 - 1 | Philadelphia Phillies |
| 01 May 2018 | Round 00 | Detroit Tigers | 2 - 1 | Tampa Bay |
| 02 May 2018 | Round 00 | Houston Astros | - | New York |
| 02 May 2018 | Round 00 | Minnesota Twins | 4 - 7 | Toronto Blue |
| 02 May 2018 | Round 00 | St. Louis | 3 - 2 | Chicago White |
| 02 May 2018 | Round 00 | Arizona Diamondbacks | 4 - 3 | Los Angeles |
| 02 May 2018 | Round 00 | Los Angeles | - | Baltimore Orioles |
| 02 May 2018 | Round 00 | Seattle Mariners | 6 - 3 | Oakland Athletics |
| 02 May 2018 | Round 00 | San Francisco | 2 - 3 | San Diego |
| 02 May 2018 | Round 00 | Boston Red | 5 - 4 | Kansas City |
| 02 May 2018 | Round 00 | Detroit Tigers | 3 - 2 | Tampa Bay |
| 02 May 2018 | Round 00 | Cleveland Indians | 12 - 4 | Texas Rangers |
| 02 May 2018 | Round 00 | Washington Nationals | 9 - 3 | Pittsburgh Pirates |
| 02 May 2018 | Round 00 | New York | 0 - 11 | Atlanta Braves |
| 02 May 2018 | Round 00 | Cincinnati Reds | 1 - 3 | Milwaukee Brewers |
| 02 May 2018 | Round 00 | Miami Marlins | 2 - 1 | Philadelphia Phillies |
| 02 May 2018 | Round 00 | Chicago Cubs | 1 - 3 | Colorado Rockies |
| 03 May 2018 | Round 00 | Houston Astros | 5 - 6 | New York |
| 03 May 2018 | Round 00 | Arizona Diamondbacks | 1 - 2 | Los Angeles |
| 03 May 2018 | Round 00 | Los Angeles | 10 - 7 | Baltimore Orioles |
| 03 May 2018 | Round 00 | Seattle Mariners | 2 - 3 | Oakland Athletics |
| 03 May 2018 | Round 00 | Washington Nationals | 3 - 1 | Pittsburgh Pirates |
| 03 May 2018 | Round 00 | New York | 0 - 11 | Atlanta Braves |
| 03 May 2018 | Round 00 | Kansas City | 10 - 6 | Detroit Tigers |
| 03 May 2018 | Round 00 | Cleveland Indians | 13 - 4 | Toronto Blue |
| 04 May 2018 | Round 00 | Texas Rangers | 11 - 5 | Boston Red |
| 04 May 2018 | Round 00 | Chicago White | 6 - 5 | Minnesota Twins |
| 04 May 2018 | Round 00 | Los Angeles | 12 - 3 | Baltimore Orioles |
| 04 May 2018 | Round 00 | Seattle Mariners | 4 - 1 | Oakland Athletics |
| 04 May 2018 | Round 00 | New York | 7 - 6 | Cleveland Indians |
| 04 May 2018 | Round 00 | Washington Nationals | 7 - 3 | Philadelphia Phillies |
| 04 May 2018 | Round 00 | New York | 7 - 8 | Colorado Rockies |
| 04 May 2018 | Round 00 | Cincinnati Reds | 4 - 1 | Miami Marlins |
| 04 May 2018 | Round 00 | Tampa Bay | 6 - 2 | Toronto Blue |
| 04 May 2018 | Round 00 | Atlanta Braves | 4 - 9 | San Francisco |
| 05 May 2018 | Round 00 | Texas Rangers | 1 - 5 | Boston Red |
| 05 May 2018 | Round 00 | Chicago White | 4 - 6 | Minnesota Twins |
| 05 May 2018 | Round 00 | Milwaukee Brewers | 4 - 6 | Pittsburgh Pirates |
| 05 May 2018 | Round 00 | St. Louis | 3 - 2 | Chicago Cubs |
| 05 May 2018 | Round 00 | Kansas City | 4 - 2 | Detroit Tigers |
| 05 May 2018 | Round 00 | San Diego | 7 - 4 | Los Angeles |
| 05 May 2018 | Round 00 | Arizona Diamondbacks | - | Houston Astros |
| 05 May 2018 | Round 00 | Oakland Athletics | 6 - 4 | Baltimore Orioles |
| 05 May 2018 | Round 00 | Seattle Mariners | - | Los Angeles |
| 05 May 2018 | Round 00 | New York | 5 - 2 | Cleveland Indians |
| 05 May 2018 | Round 00 | Washington Nationals | 1 - 3 | Philadelphia Phillies |
| 05 May 2018 | Round 00 | Tampa Bay | 5 - 3 | Toronto Blue |
| 05 May 2018 | Round 00 | New York | - | Colorado Rockies |
| 05 May 2018 | Round 00 | Cincinnati Reds | - | Miami Marlins |
| 05 May 2018 | Round 00 | Atlanta Braves | 2 - 11 | San Francisco |
| 06 May 2018 | Round 00 | Texas Rangers | 5 - 6 | Boston Red |
| 06 May 2018 | Round 00 | Arizona Diamondbacks | 4 - 3 | Houston Astros |
| 06 May 2018 | Round 00 | Oakland Athletics | 2 - 1 | Baltimore Orioles |
| 06 May 2018 | Round 00 | Seattle Mariners | 9 - 8 | Los Angeles |
| 06 May 2018 | Round 00 | New York | - | Cleveland Indians |
| 06 May 2018 | Round 00 | New York | 2 - 3 | Colorado Rockies |
| 06 May 2018 | Round 00 | Tampa Bay | 1 - 2 | Toronto Blue |
| 06 May 2018 | Round 00 | Washington Nationals | 5 - 4 | Philadelphia Phillies |
| 06 May 2018 | Round 00 | Atlanta Braves | 3 - 4 | San Francisco |
| 06 May 2018 | Round 00 | Chicago White | 3 - 5 | Minnesota Twins |
| 06 May 2018 | Round 00 | Milwaukee Brewers | - | Pittsburgh Pirates |
| 06 May 2018 | Round 00 | Kansas City | 4 - 2 | Detroit Tigers |
| 06 May 2018 | Round 00 | San Diego | 3 - 0 | Los Angeles |
| 06 May 2018 | Round 00 | Cincinnati Reds | 5 - 8 | Miami Marlins |
| 07 May 2018 | Round 00 | St. Louis | 4 - 3 | Chicago Cubs |
| 07 May 2018 | Round 00 | Philadelphia Phillies | 11 - 0 | San Francisco |
| 07 May 2018 | Round 00 | Cincinnati Reds | 6 - 7 | New York |
| 08 May 2018 | Round 00 | Texas Rangers | - | Detroit Tigers |
| 08 May 2018 | Round 00 | Chicago Cubs | 14 - 2 | Miami Marlins |
| 08 May 2018 | Round 00 | St. Louis | 1 - 7 | Minnesota Twins |
| 08 May 2018 | Round 00 | Oakland Athletics | 2 - 16 | Houston Astros |
| 08 May 2018 | Round 00 | San Diego | 5 - 8 | Washington Nationals |
| 08 May 2018 | Round 00 | New York | 3 - 2 | Boston Red |
| 08 May 2018 | Round 00 | Baltimore Orioles | 7 - 15 | Kansas City |
| 08 May 2018 | Round 00 | Philadelphia Phillies | 4 - 2 | San Francisco |
| 08 May 2018 | Round 00 | Toronto Blue | - | Seattle Mariners |
| 08 May 2018 | Round 00 | Tampa Bay | - | Atlanta Braves |
| 08 May 2018 | Round 00 | Cincinnati Reds | 7 - 2 | New York |
| 08 May 2018 | Round 00 | Milwaukee Brewers | 3 - 2 | Cleveland Indians |
| 09 May 2018 | Round 00 | Texas Rangers | 5 - 4 | Detroit Tigers |
| 09 May 2018 | Round 00 | Chicago Cubs | 4 - 3 | Miami Marlins |
| 09 May 2018 | Round 00 | Chicago White | 6 - 10 | Pittsburgh Pirates |
| 09 May 2018 | Round 00 | Colorado Rockies | 4 - 2 | Los Angeles |
| 09 May 2018 | Round 00 | Oakland Athletics | 2 - 4 | Houston Astros |
| 09 May 2018 | Round 00 | Los Angeles | 5 - 5 | Arizona Diamondbacks |
| 09 May 2018 | Round 00 | San Diego | - | Washington Nationals |
| 09 May 2018 | Round 00 | Cincinnati Reds | 2 - 1 | New York |
| 09 May 2018 | Round 00 | Milwaukee Brewers | 2 - 6 | Cleveland Indians |
| 09 May 2018 | Round 00 | New York | 9 - 6 | Boston Red |
| 09 May 2018 | Round 00 | Baltimore Orioles | 5 - 3 | Kansas City |
| 09 May 2018 | Round 00 | Philadelphia Phillies | 11 - 3 | San Francisco |
| 09 May 2018 | Round 00 | Toronto Blue | 5 - 2 | Seattle Mariners |
| 09 May 2018 | Round 00 | Tampa Bay | 2 - 5 | Atlanta Braves |
| 10 May 2018 | Round 00 | San Diego | - | Washington Nationals |
| 10 May 2018 | Round 00 | Los Angeles | 6 - 3 | Arizona Diamondbacks |
| 10 May 2018 | Round 00 | Philadelphia Phillies | 6 - 3 | San Francisco |
| 10 May 2018 | Round 00 | New York | 4 - 5 | Boston Red |
| 10 May 2018 | Round 00 | Baltimore Orioles | 11 - 6 | Kansas City |
| 10 May 2018 | Round 00 | Toronto Blue | 3 - 9 | Seattle Mariners |
| 10 May 2018 | Round 00 | Miami Marlins | 2 - 9 | Atlanta Braves |
| 11 May 2018 | Round 00 | Colorado Rockies | 2 - 5 | Milwaukee Brewers |
| 11 May 2018 | Round 00 | Arizona Diamondbacks | 1 - 2 | Washington Nationals |
| 11 May 2018 | Round 00 | Los Angeles | 7 - 4 | Minnesota Twins |
| 11 May 2018 | Round 00 | San Diego | 1 - 2 | St. Louis |
| 11 May 2018 | Round 00 | Los Angeles | - | Cincinnati Reds |
| 11 May 2018 | Round 00 | Chicago Cubs | 11 - 2 | Chicago White |
| 11 May 2018 | Round 00 | Philadelphia Phillies | 1 - 3 | New York |
| 11 May 2018 | Round 00 | New York | 5 - 10 | Oakland Athletics |
| 11 May 2018 | Round 00 | Pittsburgh Pirates | 11 - 2 | San Francisco |
| 11 May 2018 | Round 00 | Baltimore Orioles | 9 - 4 | Tampa Bay |
| 11 May 2018 | Round 00 | Toronto Blue | 5 - 3 | Boston Red |
| 11 May 2018 | Round 00 | Miami Marlins | 6 - 3 | Atlanta Braves |
| 11 May 2018 | Round 00 | Cleveland Indians | 9 - 10 | Kansas City |
| 11 May 2018 | Round 00 | Detroit Tigers | - | Seattle Mariners |
| 12 May 2018 | Round 00 | Houston Astros | 6 - 1 | Texas Rangers |
| 12 May 2018 | Round 00 | Colorado Rockies | 10 - 11 | Milwaukee Brewers |
| 12 May 2018 | Round 00 | Arizona Diamondbacks | 1 - 3 | Washington Nationals |
| 12 May 2018 | Round 00 | Los Angeles | 4 - 5 | Minnesota Twins |
| 12 May 2018 | Round 00 | Los Angeles | 2 - 6 | Cincinnati Reds |
| 12 May 2018 | Round 00 | San Diego | 5 - 9 | St. Louis |
| 12 May 2018 | Round 00 | New York | 7 - 6 | Oakland Athletics |
| 12 May 2018 | Round 00 | Chicago Cubs | 8 - 4 | Chicago White |
| 12 May 2018 | Round 00 | Toronto Blue | 2 - 5 | Boston Red |
| 12 May 2018 | Round 00 | Cleveland Indians | 6 - 2 | Kansas City |
| 12 May 2018 | Round 00 | Detroit Tigers | 5 - 9 | Seattle Mariners |
| 12 May 2018 | Round 00 | Philadelphia Phillies | - | New York |
| 12 May 2018 | Round 00 | Pittsburgh Pirates | - | San Francisco |
| 12 May 2018 | Round 00 | Baltimore Orioles | 6 - 3 | Tampa Bay |
| 12 May 2018 | Round 00 | Miami Marlins | 5 - 10 | Atlanta Braves |
| 13 May 2018 | Round 00 | Colorado Rockies | 4 - 0 | Milwaukee Brewers |
| 13 May 2018 | Round 00 | San Diego | 2 - 1 | St. Louis |
| 13 May 2018 | Round 00 | Los Angeles | 3 - 5 | Minnesota Twins |
| 13 May 2018 | Round 00 | Los Angeles | 3 - 5 | Cincinnati Reds |
| 13 May 2018 | Round 00 | New York | 6 - 2 | Oakland Athletics |
| 13 May 2018 | Round 00 | Baltimore Orioles | 17 - 1 | Tampa Bay |
| 13 May 2018 | Round 00 | Toronto Blue | 3 - 5 | Boston Red |
| 13 May 2018 | Round 00 | Miami Marlins | 3 - 4 | Atlanta Braves |
| 13 May 2018 | Round 00 | Cleveland Indians | 11 - 2 | Kansas City |
| 13 May 2018 | Round 00 | Detroit Tigers | 5 - 4 | Seattle Mariners |
| 13 May 2018 | Round 00 | Philadelphia Phillies | 4 - 2 | New York |
| 13 May 2018 | Round 00 | Pittsburgh Pirates | - | San Francisco |
| 13 May 2018 | Round 00 | Houston Astros | 6 - 1 | Texas Rangers |
| 13 May 2018 | Round 00 | Chicago Cubs | 3 - 5 | Chicago White |
| 14 May 2018 | Round 00 | Chicago Cubs | 5 - 6 | Atlanta Braves |
| 14 May 2018 | Round 00 | Arizona Diamondbacks | 4 - 6 | Washington Nationals |
| 14 May 2018 | Round 00 | Kansas City | - | Tampa Bay |
| 14 May 2018 | Round 00 | Detroit Tigers | 6 - 3 | Cleveland Indians |
| 14 May 2018 | Round 00 | Boston Red | 5 - 6 | Oakland Athletics |
| 15 May 2018 | Round 00 | Arizona Diamondbacks | 2 - 7 | Milwaukee Brewers |
| 15 May 2018 | Round 00 | Los Angeles | 2 - 1 | Houston Astros |
| 15 May 2018 | Round 00 | San Diego | 4 - 6 | Colorado Rockies |
| 15 May 2018 | Round 00 | San Francisco | 10 - 7 | Cincinnati Reds |
| 15 May 2018 | Round 00 | Pittsburgh Pirates | 7 - 0 | Chicago White |
| 15 May 2018 | Round 00 | Washington Nationals | 3 - 3 | New York |
| 15 May 2018 | Round 00 | Baltimore Orioles | - | Philadelphia Phillies |
| 15 May 2018 | Round 00 | Detroit Tigers | 9 - 8 | Cleveland Indians |
| 15 May 2018 | Round 00 | Miami Marlins | 4 - 2 | Los Angeles |
| 15 May 2018 | Round 00 | Boston Red | 3 - 5 | Oakland Athletics |
| 15 May 2018 | Round 00 | New York | 12 - 2 | Toronto Blue |
| 15 May 2018 | Round 00 | Atlanta Braves | 2 - 3 | Chicago Cubs |
| 16 May 2018 | Round 00 | Minnesota Twins | 4 - 1 | St. Louis |
| 16 May 2018 | Round 00 | Kansas City | 5 - 6 | Tampa Bay |
| 16 May 2018 | Round 00 | Arizona Diamondbacks | 2 - 1 | Milwaukee Brewers |
| 16 May 2018 | Round 00 | Los Angeles | 3 - 5 | Houston Astros |
| 16 May 2018 | Round 00 | Seattle Mariners | 8 - 8 | Texas Rangers |
| 16 May 2018 | Round 00 | San Francisco | 5 - 3 | Cincinnati Reds |
| 16 May 2018 | Round 00 | Pittsburgh Pirates | 3 - 2 | Chicago White |
| 16 May 2018 | Round 00 | Baltimore Orioles | 1 - 4 | Philadelphia Phillies |
| 16 May 2018 | Round 00 | Detroit Tigers | - | Cleveland Indians |
| 16 May 2018 | Round 00 | New York | 1 - 12 | Toronto Blue |
| 16 May 2018 | Round 00 | Washington Nationals | - | New York |
| 16 May 2018 | Round 00 | Miami Marlins | 6 - 5 | Los Angeles |
| 16 May 2018 | Round 00 | Boston Red | 6 - 4 | Oakland Athletics |
| 16 May 2018 | Round 00 | Atlanta Braves | 4 - 1 | Chicago Cubs |
| 17 May 2018 | Round 00 | Boston Red | 6 - 2 | Baltimore Orioles |
| 17 May 2018 | Round 00 | Los Angeles | - | Houston Astros |
| 17 May 2018 | Round 00 | Miami Marlins | - | Los Angeles |
| 17 May 2018 | Round 00 | Pittsburgh Pirates | - | San Diego |
| 17 May 2018 | Round 00 | Toronto Blue | 5 - 10 | Oakland Athletics |
| 17 May 2018 | Round 00 | St. Louis | 2 - 6 | Philadelphia Phillies |
| 17 May 2018 | Round 00 | Atlanta Braves | - | Chicago Cubs |
| 18 May 2018 | Round 00 | Chicago White | 4 - 2 | Texas Rangers |
| 18 May 2018 | Round 00 | Los Angeles | - | Tampa Bay |
| 18 May 2018 | Round 00 | Seattle Mariners | 2 - 3 | Detroit Tigers |
| 18 May 2018 | Round 00 | San Francisco | 3 - 5 | Colorado Rockies |
| 18 May 2018 | Round 00 | Washington Nationals | - | Los Angeles |
| 18 May 2018 | Round 00 | Pittsburgh Pirates | 2 - 3 | San Diego |
| 18 May 2018 | Round 00 | Toronto Blue | 1 - 3 | Oakland Athletics |
| 18 May 2018 | Round 00 | New York | 3 - 1 | Arizona Diamondbacks |
| 18 May 2018 | Round 00 | Boston Red | 4 - 7 | Baltimore Orioles |
| 18 May 2018 | Round 00 | Cincinnati Reds | 1 - 8 | Chicago Cubs |
| 18 May 2018 | Round 00 | Atlanta Braves | - | Miami Marlins |
| 19 May 2018 | Round 00 | Houston Astros | 4 - 1 | Cleveland Indians |
| 19 May 2018 | Round 00 | Minnesota Twins | 3 - 8 | Milwaukee Brewers |
| 19 May 2018 | Round 00 | Chicago White | 5 - 12 | Texas Rangers |
| 19 May 2018 | Round 00 | Kansas City | 5 - 2 | New York |
| 19 May 2018 | Round 00 | St. Louis | 12 - 4 | Philadelphia Phillies |
| 19 May 2018 | Round 00 | Los Angeles | 3 - 8 | Tampa Bay |
| 19 May 2018 | Round 00 | Seattle Mariners | 5 - 4 | Detroit Tigers |
| 19 May 2018 | Round 00 | San Francisco | 1 - 6 | Colorado Rockies |
| 19 May 2018 | Round 00 | Toronto Blue | 4 - 5 | Oakland Athletics |
| 19 May 2018 | Round 00 | Washington Nationals | 1 - 4 | Los Angeles |
| 19 May 2018 | Round 00 | Pittsburgh Pirates | 2 - 6 | San Diego |
| 19 May 2018 | Round 00 | New York | 5 - 4 | Arizona Diamondbacks |
| 19 May 2018 | Round 00 | Boston Red | 6 - 3 | Baltimore Orioles |
| 19 May 2018 | Round 00 | Cincinnati Reds | 5 - 4 | Chicago Cubs |
| 19 May 2018 | Round 00 | Atlanta Braves | 8 - 1 | Miami Marlins |
| 20 May 2018 | Round 00 | Los Angeles | 3 - 5 | Tampa Bay |
| 20 May 2018 | Round 00 | Seattle Mariners | 7 - 2 | Detroit Tigers |
| 20 May 2018 | Round 00 | Boston Red | 5 - 0 | Baltimore Orioles |
| 20 May 2018 | Round 00 | Toronto Blue | 2 - 9 | Oakland Athletics |
| 20 May 2018 | Round 00 | New York | 4 - 1 | Arizona Diamondbacks |
| 20 May 2018 | Round 00 | Cincinnati Reds | 1 - 6 | Chicago Cubs |
| 20 May 2018 | Round 00 | Washington Nationals | 4 - 5 | Los Angeles |
| 20 May 2018 | Round 00 | Atlanta Braves | 10 - 9 | Miami Marlins |
| 20 May 2018 | Round 00 | Pittsburgh Pirates | 5 - 8 | San Diego |
| 20 May 2018 | Round 00 | Minnesota Twins | 3 - 1 | Milwaukee Brewers |
| 20 May 2018 | Round 00 | Chicago White | 3 - 0 | Texas Rangers |
| 20 May 2018 | Round 00 | Kansas City | - | New York |
| 20 May 2018 | Round 00 | St. Louis | 5 - 1 | Philadelphia Phillies |
| 20 May 2018 | Round 00 | San Francisco | 9 - 5 | Colorado Rockies |
| 21 May 2018 | Round 00 | Houston Astros | 3 - 1 | Cleveland Indians |
| 21 May 2018 | Round 00 | Philadelphia Phillies | 3 - 0 | Atlanta Braves |
| 21 May 2018 | Round 00 | Washington Nationals | 10 - 2 | San Diego |
| 21 May 2018 | Round 00 | New York | 2 - 0 | Miami Marlins |
| 21 May 2018 | Round 00 | Milwaukee Brewers | 4 - 2 | Arizona Diamondbacks |
| 22 May 2018 | Round 00 | Texas Rangers | 5 - 10 | New York |
| 22 May 2018 | Round 00 | Chicago White | 2 - 3 | Baltimore Orioles |
| 22 May 2018 | Round 00 | Minnesota Twins | 4 - 2 | Detroit Tigers |
| 22 May 2018 | Round 00 | St. Louis | 6 - 0 | Kansas City |
| 22 May 2018 | Round 00 | Los Angeles | 1 - 2 | Colorado Rockies |
| 22 May 2018 | Round 00 | Philadelphia Phillies | 1 - 3 | Atlanta Braves |
| 22 May 2018 | Round 00 | Chicago Cubs | 1 - 10 | Cleveland Indians |
| 22 May 2018 | Round 00 | Washington Nationals | 2 - 1 | San Diego |
| 22 May 2018 | Round 00 | Toronto Blue | 5 - 3 | Los Angeles |
| 22 May 2018 | Round 00 | Tampa Bay | - | Boston Red |
| 22 May 2018 | Round 00 | New York | 1 - 5 | Miami Marlins |
| 22 May 2018 | Round 00 | Cincinnati Reds | 7 - 2 | Pittsburgh Pirates |
| 22 May 2018 | Round 00 | Milwaukee Brewers | 1 - 0 | Arizona Diamondbacks |
| 23 May 2018 | Round 00 | Texas Rangers | 6 - 4 | New York |
| 23 May 2018 | Round 00 | Chicago White | 3 - 2 | Baltimore Orioles |
| 23 May 2018 | Round 00 | Minnesota Twins | 6 - 0 | Detroit Tigers |
| 23 May 2018 | Round 00 | Houston Astros | 11 - 2 | San Francisco |
| 23 May 2018 | Round 00 | St. Louis | 1 - 5 | Kansas City |
| 23 May 2018 | Round 00 | Oakland Athletics | 2 - 3 | Seattle Mariners |
| 23 May 2018 | Round 00 | Los Angeles | 5 - 3 | Colorado Rockies |
| 23 May 2018 | Round 00 | Milwaukee Brewers | 9 - 2 | Arizona Diamondbacks |
| 23 May 2018 | Round 00 | Washington Nationals | 1 - 3 | San Diego |
| 23 May 2018 | Round 00 | Philadelphia Phillies | 4 - 0 | Atlanta Braves |
| 23 May 2018 | Round 00 | Toronto Blue | - | Los Angeles |
| 23 May 2018 | Round 00 | Tampa Bay | 1 - 4 | Boston Red |
| 23 May 2018 | Round 00 | New York | 1 - 2 | Miami Marlins |
| 23 May 2018 | Round 00 | Cincinnati Reds | - | Pittsburgh Pirates |
| 24 May 2018 | Round 00 | Chicago Cubs | - | Cleveland Indians |
| 24 May 2018 | Round 00 | Chicago White | 11 - 1 | Baltimore Orioles |
| 24 May 2018 | Round 00 | Oakland Athletics | 4 - 3 | Seattle Mariners |
| 24 May 2018 | Round 00 | Los Angeles | 3 - 0 | Colorado Rockies |
| 24 May 2018 | Round 00 | Cincinnati Reds | 5 - 4 | Pittsburgh Pirates |
| 24 May 2018 | Round 00 | Toronto Blue | 1 - 8 | Los Angeles |
| 24 May 2018 | Round 00 | Cleveland Indians | 2 - 8 | Houston Astros |
| 24 May 2018 | Round 00 | Tampa Bay | 6 - 3 | Boston Red |
| 25 May 2018 | Round 00 | Milwaukee Brewers | - | New York |
| 25 May 2018 | Round 00 | Chicago Cubs | 6 - 2 | San Francisco |
| 25 May 2018 | Round 00 | New York | 2 - 1 | Los Angeles |
| 25 May 2018 | Round 00 | Pittsburgh Pirates | 8 - 1 | St. Louis |
| 25 May 2018 | Round 00 | Philadelphia Phillies | 5 - 6 | Toronto Blue |
| 25 May 2018 | Round 00 | Boston Red | 6 - 2 | Atlanta Braves |
| 25 May 2018 | Round 00 | Tampa Bay | - | Baltimore Orioles |
| 25 May 2018 | Round 00 | Detroit Tigers | - | Chicago White |
| 25 May 2018 | Round 00 | Cleveland Indians | 2 - 11 | Houston Astros |
| 25 May 2018 | Round 00 | Miami Marlins | 5 - 9 | Washington Nationals |
| 25 May 2018 | Round 00 | Texas Rangers | 2 - 8 | Kansas City |
| 26 May 2018 | Round 00 | Texas Rangers | 8 - 4 | Kansas City |
| 26 May 2018 | Round 00 | Milwaukee Brewers | 4 - 3 | New York |
| 26 May 2018 | Round 00 | Colorado Rockies | 5 - 4 | Cincinnati Reds |
| 26 May 2018 | Round 00 | Oakland Athletics | 1 - 7 | Arizona Diamondbacks |
| 26 May 2018 | Round 00 | Seattle Mariners | 2 - 1 | Minnesota Twins |
| 26 May 2018 | Round 00 | Los Angeles | 4 - 1 | San Diego |
| 26 May 2018 | Round 00 | Boston Red | 8 - 6 | Atlanta Braves |
| 26 May 2018 | Round 00 | Pittsburgh Pirates | 1 - 4 | St. Louis |
| 26 May 2018 | Round 00 | Philadelphia Phillies | 2 - 1 | Toronto Blue |
| 26 May 2018 | Round 00 | Tampa Bay | 5 - 1 | Baltimore Orioles |
| 26 May 2018 | Round 00 | Detroit Tigers | - | Chicago White |
| 26 May 2018 | Round 00 | Miami Marlins | 1 - 4 | Washington Nationals |
| 26 May 2018 | Round 00 | Cleveland Indians | 8 - 6 | Houston Astros |
| 26 May 2018 | Round 00 | New York | 4 - 11 | Los Angeles |
| 26 May 2018 | Round 00 | Chicago Cubs | - | San Francisco |
| 27 May 2018 | Round 00 | Colorado Rockies | 5 - 6 | Cincinnati Reds |
| 27 May 2018 | Round 00 | Seattle Mariners | 4 - 3 | Minnesota Twins |
| 27 May 2018 | Round 00 | Los Angeles | 5 - 7 | San Diego |
| 27 May 2018 | Round 00 | Boston Red | 1 - 7 | Atlanta Braves |
| 27 May 2018 | Round 00 | New York | 3 - 1 | Los Angeles |
| 27 May 2018 | Round 00 | Tampa Bay | 8 - 3 | Baltimore Orioles |
| 27 May 2018 | Round 00 | Detroit Tigers | 3 - 2 | Chicago White |
| 27 May 2018 | Round 00 | Cleveland Indians | 10 - 9 | Houston Astros |
| 27 May 2018 | Round 00 | Miami Marlins | 2 - 5 | Washington Nationals |
| 27 May 2018 | Round 00 | Pittsburgh Pirates | 4 - 6 | St. Louis |
| 27 May 2018 | Round 00 | Philadelphia Phillies | 3 - 5 | Toronto Blue |
| 27 May 2018 | Round 00 | Milwaukee Brewers | 8 - 7 | New York |
| 27 May 2018 | Round 00 | Texas Rangers | 3 - 5 | Kansas City |
| 27 May 2018 | Round 00 | Oakland Athletics | 2 - 1 | Arizona Diamondbacks |
| 28 May 2018 | Round 00 | Chicago Cubs | - | San Francisco |
| 28 May 2018 | Round 00 | New York | 1 - 5 | Houston Astros |
| 28 May 2018 | Round 00 | Boston Red | 8 - 3 | Toronto Blue |
| 28 May 2018 | Round 00 | Baltimore Orioles | - | Washington Nationals |
| 28 May 2018 | Round 00 | Detroit Tigers | 9 - 3 | Los Angeles |
| 28 May 2018 | Round 00 | Pittsburgh Pirates | - | Chicago Cubs |
| 28 May 2018 | Round 00 | Atlanta Braves | 4 - 3 | New York |
| 28 May 2018 | Round 00 | Milwaukee Brewers | 8 - 3 | St. Louis |
| 28 May 2018 | Round 00 | Oakland Athletics | - | Tampa Bay |
| 28 May 2018 | Round 00 | Cleveland Indians | 9 - 6 | Chicago White |
| 28 May 2018 | Round 00 | Arizona Diamondbacks | 12 - 5 | Cincinnati Reds |
| 28 May 2018 | Round 00 | San Diego | - | Miami Marlins |
| 28 May 2018 | Round 00 | Seattle Mariners | 2 - 1 | Texas Rangers |
| 28 May 2018 | Round 00 | Colorado Rockies | 6 - 5 | San Francisco |
| 28 May 2018 | Round 00 | Kansas City | 5 - 8 | Minnesota Twins |
| 29 May 2018 | Round 00 | Los Angeles | 5 - 4 | Philadelphia Phillies |
| 29 May 2018 | Round 00 | Cleveland Indians | 7 - 3 | Chicago White |
| 29 May 2018 | Round 00 | Pittsburgh Pirates | 6 - 8 | Chicago Cubs |
| 29 May 2018 | Round 00 | New York | 6 - 5 | Houston Astros |
| 29 May 2018 | Round 00 | Baltimore Orioles | 2 - 3 | Washington Nationals |
| 29 May 2018 | Round 00 | Detroit Tigers | 2 - 9 | Los Angeles |
| 29 May 2018 | Round 00 | Boston Red | 8 - 3 | Toronto Blue |
| 29 May 2018 | Round 00 | Atlanta Braves | 7 - 6 | New York |
| 29 May 2018 | Round 00 | Milwaukee Brewers | 1 - 6 | St. Louis |
| 30 May 2018 | Round 00 | Kansas City | 2 - 1 | Minnesota Twins |
| 30 May 2018 | Round 00 | Colorado Rockies | 11 - 4 | San Francisco |
| 30 May 2018 | Round 00 | Arizona Diamondbacks | 5 - 2 | Cincinnati Reds |
| 30 May 2018 | Round 00 | Oakland Athletics | 3 - 4 | Tampa Bay |
| 30 May 2018 | Round 00 | San Diego | - | Miami Marlins |
| 30 May 2018 | Round 00 | Los Angeles | 1 - 6 | Philadelphia Phillies |
| 30 May 2018 | Round 00 | Seattle Mariners | 5 - 9 | Texas Rangers |
| 30 May 2018 | Round 00 | Boston Red | - | Toronto Blue |
| 30 May 2018 | Round 00 | Cleveland Indians | - | Chicago White |
| 30 May 2018 | Round 00 | Milwaukee Brewers | - | St. Louis |
| 30 May 2018 | Round 00 | New York | - | Houston Astros |
| 30 May 2018 | Round 00 | Pittsburgh Pirates | - | Chicago Cubs |
| 30 May 2018 | Round 00 | Baltimore Orioles | - | Washington Nationals |
| 30 May 2018 | Round 00 | Detroit Tigers | - | Los Angeles |
| 30 May 2018 | Round 00 | Atlanta Braves | - | New York |
| 31 May 2018 | Round 00 | Kansas City | - | Minnesota Twins |
| 31 May 2018 | Round 00 | Colorado Rockies | - | San Francisco |
| 31 May 2018 | Round 00 | Oakland Athletics | - | Tampa Bay |
| 31 May 2018 | Round 00 | San Diego | - | Miami Marlins |
| 31 May 2018 | Round 00 | Los Angeles | - | Philadelphia Phillies |
| 31 May 2018 | Round 00 | Seattle Mariners | - | Texas Rangers |
| 31 May 2018 | Round 00 | Detroit Tigers | - | Los Angeles |
| 31 May 2018 | Round 00 | Baltimore Orioles | - | New York |
| 31 May 2018 | Round 00 | New York | - | Chicago Cubs |
| 31 May 2018 | Round 00 | St. Louis | - | Pittsburgh Pirates |
| 31 May 2018 | Round 00 | Atlanta Braves | - | Washington Nationals |
| 01 Jun 2018 | Round 00 | Houston Astros | - | Boston Red |
| 01 Jun 2018 | Round 00 | Minnesota Twins | - | Cleveland Indians |
| 01 Jun 2018 | Round 00 | San Diego | - | Miami Marlins |
| 01 Jun 2018 | Round 00 | Seattle Mariners | - | Texas Rangers |
| 01 Jun 2018 | Round 00 | Baltimore Orioles | - | New York |
| 01 Jun 2018 | Round 00 | New York | - | Chicago Cubs |
| 01 Jun 2018 | Round 00 | Detroit Tigers | - | Toronto Blue |
| 01 Jun 2018 | Round 00 | Atlanta Braves | - | Washington Nationals |
| 02 Jun 2018 | Round 00 | Houston Astros | 4 - 5 | Boston Red |
| 02 Jun 2018 | Round 00 | Minnesota Twins | 7 - 1 | Cleveland Indians |
| 02 Jun 2018 | Round 00 | Chicago White | - | Milwaukee Brewers |
| 02 Jun 2018 | Round 00 | Kansas City | 5 - 4 | Oakland Athletics |
| 02 Jun 2018 | Round 00 | St. Louis | 3 - 2 | Pittsburgh Pirates |
| 02 Jun 2018 | Round 00 | Colorado Rockies | 4 - 12 | Los Angeles |
| 02 Jun 2018 | Round 00 | Arizona Diamondbacks | - | Miami Marlins |
| 02 Jun 2018 | Round 00 | Los Angeles | - | Texas Rangers |
| 02 Jun 2018 | Round 00 | San Diego | - | Cincinnati Reds |
| 02 Jun 2018 | Round 00 | Seattle Mariners | - | Tampa Bay |
| 02 Jun 2018 | Round 00 | San Francisco | - | Philadelphia Phillies |
| 02 Jun 2018 | Round 00 | Baltimore Orioles | 5 - 8 | New York |
| 02 Jun 2018 | Round 00 | Detroit Tigers | 7 - 4 | Toronto Blue |
| 02 Jun 2018 | Round 00 | Atlanta Braves | 3 - 5 | Washington Nationals |
| 02 Jun 2018 | Round 00 | New York | - | Chicago Cubs |
| 03 Jun 2018 | Round 00 | San Diego | 8 - 2 | Cincinnati Reds |
| 03 Jun 2018 | Round 00 | Los Angeles | 2 - 3 | Texas Rangers |
| 03 Jun 2018 | Round 00 | San Francisco | 2 - 0 | Philadelphia Phillies |
| 03 Jun 2018 | Round 00 | Arizona Diamondbacks | 6 - 2 | Miami Marlins |
| 03 Jun 2018 | Round 00 | Seattle Mariners | 3 - 1 | Tampa Bay |
| 03 Jun 2018 | Round 00 | Baltimore Orioles | - | New York |
| 03 Jun 2018 | Round 00 | New York | - | Chicago Cubs |
| 03 Jun 2018 | Round 00 | Detroit Tigers | 4 - 8 | Toronto Blue |
| 03 Jun 2018 | Round 00 | Atlanta Braves | 4 - 2 | Washington Nationals |
| 03 Jun 2018 | Round 00 | Minnesota Twins | 7 - 5 | Cleveland Indians |
| 03 Jun 2018 | Round 00 | Chicago White | - | Milwaukee Brewers |
| 03 Jun 2018 | Round 00 | Kansas City | 1 - 5 | Oakland Athletics |
| 03 Jun 2018 | Round 00 | St. Louis | 5 - 0 | Pittsburgh Pirates |
| 03 Jun 2018 | Round 00 | Colorado Rockies | 7 - 10 | Los Angeles |
| 03 Jun 2018 | Round 00 | Houston Astros | 3 - 9 | Boston Red |
| 04 Jun 2018 | Round 00 | Detroit Tigers | 4 - 7 | New York |
| 05 Jun 2018 | Round 00 | Los Angeles | 9 - 6 | Kansas City |
| 05 Jun 2018 | Round 00 | San Diego | 11 - 4 | Atlanta Braves |
| 05 Jun 2018 | Round 00 | San Francisco | 10 - 3 | Arizona Diamondbacks |
| 05 Jun 2018 | Round 00 | Pittsburgh Pirates | - | Los Angeles |
| 05 Jun 2018 | Round 00 | Washington Nationals | 4 - 2 | Tampa Bay |
| 05 Jun 2018 | Round 00 | Toronto Blue | 2 - 7 | New York |
| 05 Jun 2018 | Round 00 | New York | 1 - 2 | Baltimore Orioles |
| 05 Jun 2018 | Round 00 | Cincinnati Reds | 6 - 9 | Colorado Rockies |
| 05 Jun 2018 | Round 00 | Boston Red | 6 - 0 | Detroit Tigers |
| 05 Jun 2018 | Round 00 | Cleveland Indians | 3 - 2 | Milwaukee Brewers |
| 05 Jun 2018 | Round 00 | Minnesota Twins | 4 - 2 | Chicago White |
| 06 Jun 2018 | Round 00 | Texas Rangers | 7 - 4 | Oakland Athletics |
| 06 Jun 2018 | Round 00 | Chicago Cubs | 1 - 6 | Philadelphia Phillies |
| 06 Jun 2018 | Round 00 | Minnesota Twins | - | Chicago White |
| 06 Jun 2018 | Round 00 | Houston Astros | 1 - 7 | Seattle Mariners |
| 06 Jun 2018 | Round 00 | St. Louis | 4 - 7 | Miami Marlins |
| 06 Jun 2018 | Round 00 | Los Angeles | 1 - 0 | Kansas City |
| 06 Jun 2018 | Round 00 | San Diego | 1 - 14 | Atlanta Braves |
| 06 Jun 2018 | Round 00 | San Francisco | 2 - 3 | Arizona Diamondbacks |
| 06 Jun 2018 | Round 00 | Washington Nationals | 11 - 2 | Tampa Bay |
| 06 Jun 2018 | Round 00 | New York | - | Baltimore Orioles |
| 06 Jun 2018 | Round 00 | Cleveland Indians | 3 - 1 | Milwaukee Brewers |
| 06 Jun 2018 | Round 00 | Pittsburgh Pirates | 11 - 9 | Los Angeles |
| 06 Jun 2018 | Round 00 | Toronto Blue | - | New York |
| 06 Jun 2018 | Round 00 | Cincinnati Reds | 3 - 6 | Colorado Rockies |
| 06 Jun 2018 | Round 00 | Boston Red | 7 - 1 | Detroit Tigers |
| 07 Jun 2018 | Round 00 | Texas Rangers | 8 - 2 | Oakland Athletics |
| 07 Jun 2018 | Round 00 | Chicago Cubs | 7 - 5 | Philadelphia Phillies |
| 07 Jun 2018 | Round 00 | Minnesota Twins | 2 - 5 | Chicago White |
| 07 Jun 2018 | Round 00 | Houston Astros | 7 - 5 | Seattle Mariners |
| 07 Jun 2018 | Round 00 | St. Louis | 3 - 11 | Miami Marlins |
| 07 Jun 2018 | Round 00 | Los Angeles | 4 - 3 | Kansas City |
| 07 Jun 2018 | Round 00 | Cincinnati Reds | 7 - 5 | Colorado Rockies |
| 07 Jun 2018 | Round 00 | Pittsburgh Pirates | 7 - 8 | Los Angeles |
| 07 Jun 2018 | Round 00 | Toronto Blue | 5 - 4 | Baltimore Orioles |
| 07 Jun 2018 | Round 00 | Boston Red | 2 - 7 | Detroit Tigers |
| 07 Jun 2018 | Round 00 | Tampa Bay | 4 - 5 | Seattle Mariners |
| 08 Jun 2018 | Round 00 | Texas Rangers | 2 - 5 | Houston Astros |
| 08 Jun 2018 | Round 00 | Oakland Athletics | 4 - 1 | Kansas City |
| 08 Jun 2018 | Round 00 | Chicago Cubs | 3 - 1 | Pittsburgh Pirates |
| 08 Jun 2018 | Round 00 | Philadelphia Phillies | 4 - 12 | Milwaukee Brewers |
| 08 Jun 2018 | Round 00 | Washington Nationals | 5 - 9 | San Francisco |
| 08 Jun 2018 | Round 00 | Toronto Blue | 5 - 1 | Baltimore Orioles |
| 08 Jun 2018 | Round 00 | Boston Red | - | Chicago White |
| 08 Jun 2018 | Round 00 | Detroit Tigers | 1 - 4 | Cleveland Indians |
| 08 Jun 2018 | Round 00 | New York | 1 - 4 | New York |
| 08 Jun 2018 | Round 00 | Miami Marlins | 4 - 0 | San Diego |
| 08 Jun 2018 | Round 00 | Tampa Bay | 3 - 4 | Seattle Mariners |
| 08 Jun 2018 | Round 00 | Cincinnati Reds | 6 - 7 | St. Louis |
| 09 Jun 2018 | Round 00 | Texas Rangers | 3 - 7 | Houston Astros |
| 09 Jun 2018 | Round 00 | Minnesota Twins | 2 - 4 | Los Angeles |
| 09 Jun 2018 | Round 00 | Colorado Rockies | 4 - 9 | Arizona Diamondbacks |
| 09 Jun 2018 | Round 00 | Oakland Athletics | 7 - 2 | Kansas City |
| 09 Jun 2018 | Round 00 | Los Angeles | 7 - 3 | Atlanta Braves |
| 09 Jun 2018 | Round 00 | Washington Nationals | 7 - 5 | San Francisco |
| 09 Jun 2018 | Round 00 | Philadelphia Phillies | 3 - 12 | Milwaukee Brewers |
| 09 Jun 2018 | Round 00 | Toronto Blue | 4 - 3 | Baltimore Orioles |
| 09 Jun 2018 | Round 00 | Chicago Cubs | 2 - 0 | Pittsburgh Pirates |
| 09 Jun 2018 | Round 00 | Boston Red | 4 - 2 | Chicago White |
| 09 Jun 2018 | Round 00 | Detroit Tigers | 4 - 2 | Cleveland Indians |
| 09 Jun 2018 | Round 00 | Miami Marlins | 4 - 5 | San Diego |
| 09 Jun 2018 | Round 00 | Tampa Bay | 7 - 3 | Seattle Mariners |
| 09 Jun 2018 | Round 00 | Cincinnati Reds | 4 - 6 | St. Louis |
| 09 Jun 2018 | Round 00 | New York | 3 - 4 | New York |
| 10 Jun 2018 | Round 00 | Los Angeles | 3 - 5 | Atlanta Braves |
| 10 Jun 2018 | Round 00 | Boston Red | 2 - 5 | Chicago White |
| 10 Jun 2018 | Round 00 | Toronto Blue | 13 - 3 | Baltimore Orioles |
| 10 Jun 2018 | Round 00 | Detroit Tigers | 2 - 9 | Cleveland Indians |
| 10 Jun 2018 | Round 00 | Miami Marlins | 1 - 3 | San Diego |
| 10 Jun 2018 | Round 00 | Tampa Bay | 4 - 5 | Seattle Mariners |
| 10 Jun 2018 | Round 00 | Cincinnati Reds | 6 - 3 | St. Louis |
| 10 Jun 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | Milwaukee Brewers |
| 10 Jun 2018 | Round 00 | Minnesota Twins | 7 - 5 | Los Angeles |
| 10 Jun 2018 | Round 00 | Chicago Cubs | 1 - 7 | Pittsburgh Pirates |
| 10 Jun 2018 | Round 00 | Texas Rangers | 7 - 8 | Houston Astros |
| 10 Jun 2018 | Round 00 | Colorado Rockies | 3 - 8 | Arizona Diamondbacks |
| 10 Jun 2018 | Round 00 | Oakland Athletics | 3 - 2 | Kansas City |
| 10 Jun 2018 | Round 00 | Washington Nationals | - | San Francisco |
| 11 Jun 2018 | Round 00 | New York | 2 - 0 | New York |
| 11 Jun 2018 | Round 00 | Baltimore Orioles | - | Boston Red |
| 11 Jun 2018 | Round 00 | Miami Marlins | 7 - 5 | San Francisco |
| 11 Jun 2018 | Round 00 | Tampa Bay | 8 - 4 | Toronto Blue |
| 12 Jun 2018 | Round 00 | Milwaukee Brewers | 2 - 7 | Chicago Cubs |
| 12 Jun 2018 | Round 00 | Chicago White | - | Cleveland Indians |
| 12 Jun 2018 | Round 00 | St. Louis | 5 - 2 | San Diego |
| 12 Jun 2018 | Round 00 | Arizona Diamondbacks | 9 - 5 | Pittsburgh Pirates |
| 12 Jun 2018 | Round 00 | Seattle Mariners | 5 - 3 | Los Angeles |
| 12 Jun 2018 | Round 00 | Baltimore Orioles | 4 - 6 | Boston Red |
| 12 Jun 2018 | Round 00 | Philadelphia Phillies | 5 - 4 | Colorado Rockies |
| 12 Jun 2018 | Round 00 | New York | 3 - 0 | Washington Nationals |
| 12 Jun 2018 | Round 00 | Detroit Tigers | - | Minnesota Twins |
| 12 Jun 2018 | Round 00 | Miami Marlins | 3 - 1 | San Francisco |
| 12 Jun 2018 | Round 00 | Tampa Bay | 4 - 1 | Toronto Blue |
| 12 Jun 2018 | Round 00 | Atlanta Braves | 8 - 2 | New York |
| 13 Jun 2018 | Round 00 | Milwaukee Brewers | 4 - 0 | Chicago Cubs |
| 13 Jun 2018 | Round 00 | Chicago White | 5 - 1 | Cleveland Indians |
| 13 Jun 2018 | Round 00 | Kansas City | 1 - 5 | Cincinnati Reds |
| 13 Jun 2018 | Round 00 | St. Louis | 2 - 4 | San Diego |
| 13 Jun 2018 | Round 00 | Arizona Diamondbacks | 13 - 8 | Pittsburgh Pirates |
| 13 Jun 2018 | Round 00 | Oakland Athletics | 3 - 6 | Houston Astros |
| 13 Jun 2018 | Round 00 | Seattle Mariners | 6 - 3 | Los Angeles |
| 13 Jun 2018 | Round 00 | Los Angeles | 12 - 5 | Texas Rangers |
| 13 Jun 2018 | Round 00 | Atlanta Braves | 2 - 0 | New York |
| 13 Jun 2018 | Round 00 | Tampa Bay | - | Toronto Blue |
| 13 Jun 2018 | Round 00 | Baltimore Orioles | 1 - 5 | Boston Red |
| 13 Jun 2018 | Round 00 | Philadelphia Phillies | 2 - 7 | Colorado Rockies |
| 13 Jun 2018 | Round 00 | New York | 4 - 5 | Washington Nationals |
| 13 Jun 2018 | Round 00 | Detroit Tigers | - | Minnesota Twins |
| 13 Jun 2018 | Round 00 | Miami Marlins | 5 - 4 | San Francisco |
| 14 Jun 2018 | Round 00 | Chicago White | 2 - 5 | Cleveland Indians |
| 14 Jun 2018 | Round 00 | Kansas City | - | Cincinnati Reds |
| 14 Jun 2018 | Round 00 | St. Louis | 2 - 4 | San Diego |
| 14 Jun 2018 | Round 00 | Oakland Athletics | 5 - 13 | Houston Astros |
| 14 Jun 2018 | Round 00 | Los Angeles | 3 - 2 | Texas Rangers |
| 14 Jun 2018 | Round 00 | Miami Marlins | 3 - 6 | San Francisco |
| 14 Jun 2018 | Round 00 | Philadelphia Phillies | 9 - 3 | Colorado Rockies |
| 14 Jun 2018 | Round 00 | Detroit Tigers | 3 - 1 | Minnesota Twins |
| 14 Jun 2018 | Round 00 | New York | 4 - 3 | Tampa Bay |
| 14 Jun 2018 | Round 00 | Atlanta Braves | 4 - 2 | San Diego |
| 15 Jun 2018 | Round 00 | Arizona Diamondbacks | 6 - 3 | New York |
| 15 Jun 2018 | Round 00 | Seattle Mariners | 1 - 2 | Boston Red |
| 15 Jun 2018 | Round 00 | Pittsburgh Pirates | 3 - 2 | Cincinnati Reds |
| 15 Jun 2018 | Round 00 | Baltimore Orioles | - | Miami Marlins |
| 15 Jun 2018 | Round 00 | New York | 5 - 0 | Tampa Bay |
| 15 Jun 2018 | Round 00 | Toronto Blue | 6 - 5 | Washington Nationals |
| 15 Jun 2018 | Round 00 | Cleveland Indians | 3 - 6 | Minnesota Twins |
| 15 Jun 2018 | Round 00 | Atlanta Braves | 3 - 9 | San Diego |
| 16 Jun 2018 | Round 00 | St. Louis | 5 - 13 | Chicago Cubs |
| 16 Jun 2018 | Round 00 | Kansas City | 3 - 7 | Houston Astros |
| 16 Jun 2018 | Round 00 | Oakland Athletics | 4 - 8 | Los Angeles |
| 16 Jun 2018 | Round 00 | Arizona Diamondbacks | 7 - 3 | New York |
| 16 Jun 2018 | Round 00 | Seattle Mariners | 7 - 6 | Boston Red |
| 16 Jun 2018 | Round 00 | Los Angeles | 3 - 2 | San Francisco |
| 16 Jun 2018 | Round 00 | New York | 4 - 1 | Tampa Bay |
| 16 Jun 2018 | Round 00 | Pittsburgh Pirates | 6 - 2 | Cincinnati Reds |
| 16 Jun 2018 | Round 00 | Baltimore Orioles | 4 - 5 | Miami Marlins |
| 16 Jun 2018 | Round 00 | Toronto Blue | 2 - 0 | Washington Nationals |
| 16 Jun 2018 | Round 00 | Cleveland Indians | 3 - 9 | Minnesota Twins |
| 16 Jun 2018 | Round 00 | Atlanta Braves | 1 - 0 | San Diego |
| 16 Jun 2018 | Round 00 | Texas Rangers | 5 - 9 | Colorado Rockies |
| 16 Jun 2018 | Round 00 | Chicago White | 3 - 4 | Detroit Tigers |
| 16 Jun 2018 | Round 00 | Milwaukee Brewers | 13 - 2 | Philadelphia Phillies |
| 17 Jun 2018 | Round 00 | Seattle Mariners | 3 - 9 | Boston Red |
| 17 Jun 2018 | Round 00 | St. Louis | 3 - 6 | Chicago Cubs |
| 17 Jun 2018 | Round 00 | Los Angeles | 3 - 1 | San Francisco |
| 17 Jun 2018 | Round 00 | Arizona Diamondbacks | 1 - 5 | New York |
| 17 Jun 2018 | Round 00 | Baltimore Orioles | 10 - 4 | Miami Marlins |
| 17 Jun 2018 | Round 00 | Toronto Blue | 8 - 6 | Washington Nationals |
| 17 Jun 2018 | Round 00 | Cleveland Indians | 4 - 1 | Minnesota Twins |
| 17 Jun 2018 | Round 00 | Pittsburgh Pirates | 6 - 8 | Cincinnati Reds |
| 17 Jun 2018 | Round 00 | Atlanta Braves | 4 - 1 | San Diego |
| 17 Jun 2018 | Round 00 | New York | 1 - 3 | Tampa Bay |
| 17 Jun 2018 | Round 00 | Chicago White | 1 - 3 | Detroit Tigers |
| 17 Jun 2018 | Round 00 | Milwaukee Brewers | 9 - 10 | Philadelphia Phillies |
| 17 Jun 2018 | Round 00 | Kansas City | 4 - 7 | Houston Astros |
| 17 Jun 2018 | Round 00 | Texas Rangers | 13 - 12 | Colorado Rockies |
| 17 Jun 2018 | Round 00 | Oakland Athletics | - | Los Angeles |
| 18 Jun 2018 | Round 00 | Pittsburgh Pirates | 1 - 0 | Milwaukee Brewers |
| 18 Jun 2018 | Round 00 | Philadelphia Phillies | 6 - 5 | St. Louis |
| 18 Jun 2018 | Round 00 | Cleveland Indians | 6 - 2 | Chicago White |
| 18 Jun 2018 | Round 00 | Washington Nationals | 2 - 4 | New York |
| 19 Jun 2018 | Round 00 | Chicago Cubs | 3 - 4 | Los Angeles |
| 19 Jun 2018 | Round 00 | Houston Astros | 5 - 4 | Tampa Bay |
| 19 Jun 2018 | Round 00 | Kansas City | 3 - 6 | Texas Rangers |
| 19 Jun 2018 | Round 00 | Colorado Rockies | 2 - 12 | New York |
| 19 Jun 2018 | Round 00 | Los Angeles | 4 - 7 | Arizona Diamondbacks |
| 19 Jun 2018 | Round 00 | San Francisco | 4 - 5 | Miami Marlins |
| 19 Jun 2018 | Round 00 | Washington Nationals | 9 - 7 | Baltimore Orioles |
| 19 Jun 2018 | Round 00 | Pittsburgh Pirates | 2 - 3 | Milwaukee Brewers |
| 19 Jun 2018 | Round 00 | New York | 7 - 2 | Seattle Mariners |
| 19 Jun 2018 | Round 00 | Philadelphia Phillies | 6 - 7 | St. Louis |
| 19 Jun 2018 | Round 00 | Toronto Blue | 4 - 11 | Atlanta Braves |
| 19 Jun 2018 | Round 00 | Cleveland Indians | 6 - 3 | Chicago White |
| 19 Jun 2018 | Round 00 | Cincinnati Reds | 9 - 5 | Detroit Tigers |
| 20 Jun 2018 | Round 00 | Chicago Cubs | 2 - 1 | Los Angeles |
| 20 Jun 2018 | Round 00 | Minnesota Twins | 6 - 2 | Boston Red |
| 20 Jun 2018 | Round 00 | Houston Astros | 1 - 2 | Tampa Bay |
| 20 Jun 2018 | Round 00 | Kansas City | 1 - 4 | Texas Rangers |
| 20 Jun 2018 | Round 00 | Colorado Rockies | 10 - 8 | New York |
| 20 Jun 2018 | Round 00 | Los Angeles | 5 - 4 | Arizona Diamondbacks |
| 20 Jun 2018 | Round 00 | San Diego | 2 - 4 | Oakland Athletics |
| 20 Jun 2018 | Round 00 | San Francisco | 6 - 3 | Miami Marlins |
| 20 Jun 2018 | Round 00 | Cincinnati Reds | 5 - 3 | Detroit Tigers |
| 20 Jun 2018 | Round 00 | Toronto Blue | 5 - 4 | Atlanta Braves |
| 20 Jun 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | St. Louis |
| 20 Jun 2018 | Round 00 | Cleveland Indians | 12 - 0 | Chicago White |
| 20 Jun 2018 | Round 00 | Washington Nationals | - | Baltimore Orioles |
| 20 Jun 2018 | Round 00 | Pittsburgh Pirates | - | Milwaukee Brewers |
| 20 Jun 2018 | Round 00 | New York | 7 - 5 | Seattle Mariners |
| 21 Jun 2018 | Round 00 | Minnesota Twins | 4 - 1 | Boston Red |
| 21 Jun 2018 | Round 00 | Houston Astros | 5 - 1 | Tampa Bay |
| 21 Jun 2018 | Round 00 | Kansas City | 2 - 3 | Texas Rangers |
| 21 Jun 2018 | Round 00 | Colorado Rockies | 10 - 8 | New York |
| 21 Jun 2018 | Round 00 | New York | 4 - 3 | Seattle Mariners |
| 21 Jun 2018 | Round 00 | Pittsburgh Pirates | 3 - 9 | Arizona Diamondbacks |
| 21 Jun 2018 | Round 00 | Washington Nationals | 4 - 2 | Baltimore Orioles |
| 21 Jun 2018 | Round 00 | Cincinnati Reds | 6 - 2 | Chicago Cubs |
| 22 Jun 2018 | Round 00 | Chicago White | 2 - 11 | Oakland Athletics |
| 22 Jun 2018 | Round 00 | Milwaukee Brewers | 11 - 3 | St. Louis |
| 22 Jun 2018 | Round 00 | Los Angeles | 8 - 5 | Toronto Blue |
| 22 Jun 2018 | Round 00 | San Francisco | 3 - 0 | San Diego |
| 22 Jun 2018 | Round 00 | Pittsburgh Pirates | 1 - 2 | Arizona Diamondbacks |
| 22 Jun 2018 | Round 00 | Washington Nationals | 2 - 12 | Philadelphia Phillies |
| 22 Jun 2018 | Round 00 | Cincinnati Reds | 6 - 3 | Chicago Cubs |
| 22 Jun 2018 | Round 00 | Cleveland Indians | 10 - 0 | Detroit Tigers |
| 22 Jun 2018 | Round 00 | New York | 2 - 5 | Los Angeles |
| 22 Jun 2018 | Round 00 | Tampa Bay | 2 - 1 | New York |
| 22 Jun 2018 | Round 00 | Boston Red | 14 - 10 | Seattle Mariners |
| 22 Jun 2018 | Round 00 | Atlanta Braves | 7 - 10 | Baltimore Orioles |
| 23 Jun 2018 | Round 00 | Houston Astros | 4 - 3 | Kansas City |
| 23 Jun 2018 | Round 00 | Chicago White | 6 - 7 | Oakland Athletics |
| 23 Jun 2018 | Round 00 | Milwaukee Brewers | 2 - 1 | St. Louis |
| 23 Jun 2018 | Round 00 | Minnesota Twins | 1 - 8 | Texas Rangers |
| 23 Jun 2018 | Round 00 | Colorado Rockies | 11 - 3 | Miami Marlins |
| 23 Jun 2018 | Round 00 | Los Angeles | 2 - 1 | Toronto Blue |
| 23 Jun 2018 | Round 00 | San Francisco | 2 - 6 | San Diego |
| 23 Jun 2018 | Round 00 | Pittsburgh Pirates | 2 - 7 | Arizona Diamondbacks |
| 23 Jun 2018 | Round 00 | Washington Nationals | 3 - 5 | Philadelphia Phillies |
| 23 Jun 2018 | Round 00 | Atlanta Braves | 5 - 7 | Baltimore Orioles |
| 23 Jun 2018 | Round 00 | Cincinnati Reds | 11 - 2 | Chicago Cubs |
| 23 Jun 2018 | Round 00 | Tampa Bay | 4 - 0 | New York |
| 23 Jun 2018 | Round 00 | Cleveland Indians | 4 - 1 | Detroit Tigers |
| 23 Jun 2018 | Round 00 | New York | 3 - 8 | Los Angeles |
| 23 Jun 2018 | Round 00 | Boston Red | 2 - 7 | Seattle Mariners |
| 24 Jun 2018 | Round 00 | Los Angeles | 1 - 4 | Toronto Blue |
| 24 Jun 2018 | Round 00 | Boston Red | 5 - 0 | Seattle Mariners |
| 24 Jun 2018 | Round 00 | Cincinnati Reds | 8 - 6 | Chicago Cubs |
| 24 Jun 2018 | Round 00 | Cleveland Indians | 12 - 2 | Detroit Tigers |
| 24 Jun 2018 | Round 00 | New York | 7 - 8 | Los Angeles |
| 24 Jun 2018 | Round 00 | Tampa Bay | 7 - 6 | New York |
| 24 Jun 2018 | Round 00 | Pittsburgh Pirates | - | Arizona Diamondbacks |
| 24 Jun 2018 | Round 00 | Atlanta Braves | 7 - 3 | Baltimore Orioles |
| 24 Jun 2018 | Round 00 | Washington Nationals | - | Philadelphia Phillies |
| 24 Jun 2018 | Round 00 | Houston Astros | 11 - 3 | Kansas City |
| 24 Jun 2018 | Round 00 | Chicago White | 10 - 3 | Oakland Athletics |
| 24 Jun 2018 | Round 00 | Milwaukee Brewers | 2 - 8 | St. Louis |
| 24 Jun 2018 | Round 00 | Minnesota Twins | 2 - 0 | Texas Rangers |
| 24 Jun 2018 | Round 00 | Colorado Rockies | 5 - 8 | Miami Marlins |
| 24 Jun 2018 | Round 00 | San Francisco | 3 - 2 | San Diego |
| 25 Jun 2018 | Round 00 | Detroit Tigers | 4 - 5 | Oakland Athletics |
| 25 Jun 2018 | Round 00 | Philadelphia Phillies | 2 - 4 | New York |
| 25 Jun 2018 | Round 00 | Baltimore Orioles | 3 - 5 | Seattle Mariners |
| 25 Jun 2018 | Round 00 | Miami Marlins | 9 - 5 | Arizona Diamondbacks |
| 25 Jun 2018 | Round 00 | New York | 4 - 6 | Pittsburgh Pirates |
| 25 Jun 2018 | Round 00 | Tampa Bay | 11 - 0 | Washington Nationals |
| 25 Jun 2018 | Round 00 | Atlanta Braves | 5 - 4 | Cincinnati Reds |
| 25 Jun 2018 | Round 00 | Washington Nationals | 8 - 6 | Philadelphia Phillies |
| 26 Jun 2018 | Round 00 | Texas Rangers | 7 - 4 | San Diego |
| 26 Jun 2018 | Round 00 | Houston Astros | 3 - 6 | Toronto Blue |
| 26 Jun 2018 | Round 00 | St. Louis | 4 - 0 | Cleveland Indians |
| 26 Jun 2018 | Round 00 | Los Angeles | 2 - 1 | Chicago Cubs |
| 26 Jun 2018 | Round 00 | Tampa Bay | 1 - 0 | Washington Nationals |
| 26 Jun 2018 | Round 00 | Philadelphia Phillies | - | New York |
| 26 Jun 2018 | Round 00 | Baltimore Orioles | 2 - 3 | Seattle Mariners |
| 26 Jun 2018 | Round 00 | Miami Marlins | 3 - 5 | Arizona Diamondbacks |
| 26 Jun 2018 | Round 00 | Boston Red | 9 - 1 | Los Angeles |
| 26 Jun 2018 | Round 00 | Detroit Tigers | 7 - 9 | Oakland Athletics |
| 26 Jun 2018 | Round 00 | New York | 4 - 3 | Pittsburgh Pirates |
| 26 Jun 2018 | Round 00 | Atlanta Braves | 3 - 5 | Cincinnati Reds |
| 27 Jun 2018 | Round 00 | Texas Rangers | 2 - 3 | San Diego |
| 27 Jun 2018 | Round 00 | Milwaukee Brewers | 5 - 1 | Kansas City |
| 27 Jun 2018 | Round 00 | Chicago White | 8 - 4 | Minnesota Twins |
| 27 Jun 2018 | Round 00 | Houston Astros | 7 - 0 | Toronto Blue |
| 27 Jun 2018 | Round 00 | St. Louis | 11 - 2 | Cleveland Indians |
| 27 Jun 2018 | Round 00 | Los Angeles | 4 - 9 | Chicago Cubs |
| 27 Jun 2018 | Round 00 | San Francisco | 3 - 2 | Colorado Rockies |
| 27 Jun 2018 | Round 00 | Atlanta Braves | 5 - 6 | Cincinnati Reds |
| 27 Jun 2018 | Round 00 | Philadelphia Phillies | 3 - 0 | New York |
| 27 Jun 2018 | Round 00 | Baltimore Orioles | 7 - 8 | Seattle Mariners |
| 27 Jun 2018 | Round 00 | Miami Marlins | 1 - 2 | Arizona Diamondbacks |
| 27 Jun 2018 | Round 00 | Boston Red | 9 - 6 | Los Angeles |
| 27 Jun 2018 | Round 00 | Detroit Tigers | - | Oakland Athletics |
| 27 Jun 2018 | Round 00 | New York | 3 - 5 | Pittsburgh Pirates |
| 28 Jun 2018 | Round 00 | Texas Rangers | 5 - 2 | San Diego |
| 28 Jun 2018 | Round 00 | Chicago White | 6 - 1 | Minnesota Twins |
| 28 Jun 2018 | Round 00 | St. Louis | 1 - 5 | Cleveland Indians |
| 28 Jun 2018 | Round 00 | Los Angeles | 7 - 5 | Chicago Cubs |
| 28 Jun 2018 | Round 00 | San Francisco | 1 - 0 | Colorado Rockies |
| 28 Jun 2018 | Round 00 | Miami Marlins | - | Arizona Diamondbacks |
| 28 Jun 2018 | Round 00 | Detroit Tigers | 2 - 4 | Oakland Athletics |
| 28 Jun 2018 | Round 00 | Baltimore Orioles | 2 - 4 | Seattle Mariners |
| 28 Jun 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | Washington Nationals |
| 28 Jun 2018 | Round 00 | Tampa Bay | - | Houston Astros |
| 28 Jun 2018 | Round 00 | Boston Red | 4 - 2 | Los Angeles |
| 28 Jun 2018 | Round 00 | Cincinnati Reds | 4 - 6 | Milwaukee Brewers |
| 29 Jun 2018 | Round 00 | Chicago Cubs | 10 - 6 | Minnesota Twins |
| 29 Jun 2018 | Round 00 | Baltimore Orioles | 1 - 7 | Los Angeles |
| 29 Jun 2018 | Round 00 | Philadelphia Phillies | 7 - 17 | Washington Nationals |
| 29 Jun 2018 | Round 00 | New York | 8 - 1 | Boston Red |
| 29 Jun 2018 | Round 00 | Toronto Blue | 3 - 2 | Detroit Tigers |
| 29 Jun 2018 | Round 00 | Tampa Bay | 3 - 2 | Houston Astros |
| 29 Jun 2018 | Round 00 | Cincinnati Reds | 2 - 8 | Milwaukee Brewers |
| 29 Jun 2018 | Round 00 | Miami Marlins | 8 - 2 | New York |
| 30 Jun 2018 | Round 00 | Texas Rangers | 11 - 3 | Chicago White |
| 30 Jun 2018 | Round 00 | St. Louis | 1 - 5 | Atlanta Braves |
| 30 Jun 2018 | Round 00 | Arizona Diamondbacks | 1 - 2 | San Francisco |
| 30 Jun 2018 | Round 00 | Oakland Athletics | 3 - 1 | Cleveland Indians |
| 30 Jun 2018 | Round 00 | Los Angeles | 1 - 3 | Colorado Rockies |
| 30 Jun 2018 | Round 00 | Seattle Mariners | 4 - 1 | Kansas City |
| 30 Jun 2018 | Round 00 | San Diego | 3 - 6 | Pittsburgh Pirates |
| 30 Jun 2018 | Round 00 | Toronto Blue | 4 - 3 | Detroit Tigers |
| 30 Jun 2018 | Round 00 | Chicago Cubs | 14 - 9 | Minnesota Twins |
| 30 Jun 2018 | Round 00 | Baltimore Orioles | 2 - 6 | Los Angeles |
| 30 Jun 2018 | Round 00 | Tampa Bay | 5 - 2 | Houston Astros |
| 30 Jun 2018 | Round 00 | Cincinnati Reds | 12 - 3 | Milwaukee Brewers |
| 30 Jun 2018 | Round 00 | Miami Marlins | 5 - 2 | New York |
| 30 Jun 2018 | Round 00 | Philadelphia Phillies | 3 - 2 | Washington Nationals |
| 30 Jun 2018 | Round 00 | New York | - | Boston Red |
| 01 Jul 2018 | Round 00 | Texas Rangers | 13 - 4 | Chicago White |
| 01 Jul 2018 | Round 00 | Seattle Mariners | 6 - 4 | Kansas City |
| 01 Jul 2018 | Round 00 | San Diego | 4 - 3 | Pittsburgh Pirates |
| 01 Jul 2018 | Round 00 | Arizona Diamondbacks | 6 - 9 | San Francisco |
| 01 Jul 2018 | Round 00 | Baltimore Orioles | 8 - 2 | Los Angeles |
| 01 Jul 2018 | Round 00 | Toronto Blue | 1 - 9 | Detroit Tigers |
| 01 Jul 2018 | Round 00 | Tampa Bay | 3 - 2 | Houston Astros |
| 01 Jul 2018 | Round 00 | Cincinnati Reds | 8 - 2 | Milwaukee Brewers |
| 01 Jul 2018 | Round 00 | Miami Marlins | 2 - 5 | New York |
| 01 Jul 2018 | Round 00 | Philadelphia Phillies | 4 - 3 | Washington Nationals |
| 01 Jul 2018 | Round 00 | St. Louis | 5 - 6 | Atlanta Braves |
| 01 Jul 2018 | Round 00 | Chicago Cubs | 11 - 10 | Minnesota Twins |
| 01 Jul 2018 | Round 00 | Oakland Athletics | 3 - 15 | Cleveland Indians |
| 01 Jul 2018 | Round 00 | Los Angeles | 6 - 4 | Colorado Rockies |
| 02 Jul 2018 | Round 00 | New York | 11 - 1 | Boston Red |
| 02 Jul 2018 | Round 00 | Toronto Blue | 2 - 3 | Detroit Tigers |
| 02 Jul 2018 | Round 00 | New York | 3 - 5 | Atlanta Braves |
| 02 Jul 2018 | Round 00 | Washington Nationals | 3 - 4 | Boston Red |
| 02 Jul 2018 | Round 00 | Cincinnati Reds | 5 - 3 | Chicago White |
| 02 Jul 2018 | Round 00 | Miami Marlins | 3 - 2 | Tampa Bay |
| 03 Jul 2018 | Round 00 | Milwaukee Brewers | 6 - 5 | Minnesota Twins |
| 03 Jul 2018 | Round 00 | Kansas City | 3 - 9 | Cleveland Indians |
| 03 Jul 2018 | Round 00 | Colorado Rockies | 5 - 2 | San Francisco |
| 03 Jul 2018 | Round 00 | Arizona Diamondbacks | 3 - 6 | St. Louis |
| 03 Jul 2018 | Round 00 | Los Angeles | 17 - 1 | Pittsburgh Pirates |
| 03 Jul 2018 | Round 00 | Chicago Cubs | 5 - 3 | Detroit Tigers |
| 03 Jul 2018 | Round 00 | Washington Nationals | 4 - 11 | Boston Red |
| 03 Jul 2018 | Round 00 | New York | 8 - 5 | Atlanta Braves |
| 03 Jul 2018 | Round 00 | Philadelphia Phillies | 3 - 2 | Baltimore Orioles |
| 03 Jul 2018 | Round 00 | Toronto Blue | 8 - 6 | New York |
| 03 Jul 2018 | Round 00 | Cincinnati Reds | 8 - 12 | Chicago White |
| 03 Jul 2018 | Round 00 | Miami Marlins | 6 - 9 | Tampa Bay |
| 04 Jul 2018 | Round 00 | Texas Rangers | 3 - 5 | Houston Astros |
| 04 Jul 2018 | Round 00 | Colorado Rockies | 8 - 1 | San Francisco |
| 04 Jul 2018 | Round 00 | Kansas City | 4 - 6 | Cleveland Indians |
| 04 Jul 2018 | Round 00 | Oakland Athletics | 6 - 2 | San Diego |
| 04 Jul 2018 | Round 00 | Arizona Diamondbacks | 4 - 2 | St. Louis |
| 04 Jul 2018 | Round 00 | Seattle Mariners | 4 - 1 | Los Angeles |
| 04 Jul 2018 | Round 00 | Los Angeles | 8 - 3 | Pittsburgh Pirates |
| 04 Jul 2018 | Round 00 | Washington Nationals | - | Boston Red |
| 04 Jul 2018 | Round 00 | New York | 6 - 2 | Atlanta Braves |
| 04 Jul 2018 | Round 00 | Miami Marlins | 3 - 0 | Tampa Bay |
| 04 Jul 2018 | Round 00 | Chicago Cubs | 5 - 2 | Detroit Tigers |
| 04 Jul 2018 | Round 00 | Philadelphia Phillies | 4 - 1 | Baltimore Orioles |
| 04 Jul 2018 | Round 00 | Milwaukee Brewers | 3 - 2 | Minnesota Twins |
| 04 Jul 2018 | Round 00 | Toronto Blue | 3 - 6 | New York |
| 04 Jul 2018 | Round 00 | Cincinnati Reds | 7 - 4 | Chicago White |
| 05 Jul 2018 | Round 00 | Los Angeles | 6 - 4 | Pittsburgh Pirates |
| 05 Jul 2018 | Round 00 | Colorado Rockies | 1 - 0 | San Francisco |
| 05 Jul 2018 | Round 00 | Kansas City | 2 - 3 | Cleveland Indians |
| 05 Jul 2018 | Round 00 | Arizona Diamondbacks | 4 - 8 | St. Louis |
| 05 Jul 2018 | Round 00 | Washington Nationals | 14 - 12 | Miami Marlins |
| 05 Jul 2018 | Round 00 | Detroit Tigers | 5 - 7 | Texas Rangers |
| 06 Jul 2018 | Round 00 | Milwaukee Brewers | 7 - 2 | Atlanta Braves |
| 06 Jul 2018 | Round 00 | Minnesota Twins | 5 - 2 | Baltimore Orioles |
| 06 Jul 2018 | Round 00 | Houston Astros | 4 - 3 | Chicago White |
| 06 Jul 2018 | Round 00 | Arizona Diamondbacks | 3 - 6 | San Diego |
| 06 Jul 2018 | Round 00 | Seattle Mariners | 4 - 1 | Los Angeles |
| 06 Jul 2018 | Round 00 | San Francisco | 2 - 11 | St. Louis |
| 06 Jul 2018 | Round 00 | Chicago Cubs | 2 - 3 | Cincinnati Reds |
| 06 Jul 2018 | Round 00 | Washington Nationals | 3 - 2 | Miami Marlins |
| 06 Jul 2018 | Round 00 | Pittsburgh Pirates | 5 - 17 | Philadelphia Phillies |
| 06 Jul 2018 | Round 00 | Toronto Blue | 6 - 2 | New York |
| 06 Jul 2018 | Round 00 | Cleveland Indians | 10 - 4 | Oakland Athletics |
| 06 Jul 2018 | Round 00 | New York | 5 - 1 | Tampa Bay |
| 06 Jul 2018 | Round 00 | Detroit Tigers | 3 - 1 | Texas Rangers |
| 07 Jul 2018 | Round 00 | Washington Nationals | 18 - 4 | Miami Marlins |
| 07 Jul 2018 | Round 00 | Milwaukee Brewers | 5 - 4 | Atlanta Braves |
| 07 Jul 2018 | Round 00 | Minnesota Twins | 6 - 2 | Baltimore Orioles |
| 07 Jul 2018 | Round 00 | Houston Astros | 11 - 4 | Chicago White |
| 07 Jul 2018 | Round 00 | Kansas City | 5 - 10 | Boston Red |
| 07 Jul 2018 | Round 00 | Arizona Diamondbacks | 3 - 1 | San Diego |
| 07 Jul 2018 | Round 00 | Los Angeles | 3 - 2 | Los Angeles |
| 07 Jul 2018 | Round 00 | Seattle Mariners | 1 - 7 | Colorado Rockies |
| 07 Jul 2018 | Round 00 | San Francisco | 3 - 2 | St. Louis |
| 07 Jul 2018 | Round 00 | Chicago Cubs | 8 - 7 | Cincinnati Reds |
| 07 Jul 2018 | Round 00 | Pittsburgh Pirates | 2 - 3 | Philadelphia Phillies |
| 07 Jul 2018 | Round 00 | Toronto Blue | 5 - 8 | New York |
| 07 Jul 2018 | Round 00 | Cleveland Indians | 3 - 6 | Oakland Athletics |
| 07 Jul 2018 | Round 00 | New York | - | Tampa Bay |
| 07 Jul 2018 | Round 00 | Detroit Tigers | 7 - 2 | Texas Rangers |
| 08 Jul 2018 | Round 00 | Arizona Diamondbacks | 20 - 5 | San Diego |
| 08 Jul 2018 | Round 00 | Los Angeles | - | Los Angeles |
| 08 Jul 2018 | Round 00 | Toronto Blue | 1 - 2 | New York |
| 08 Jul 2018 | Round 00 | Cleveland Indians | - | Oakland Athletics |
| 08 Jul 2018 | Round 00 | New York | - | Tampa Bay |
| 08 Jul 2018 | Round 00 | Detroit Tigers | - | Texas Rangers |
| 08 Jul 2018 | Round 00 | Washington Nationals | 2 - 10 | Miami Marlins |
| 08 Jul 2018 | Round 00 | Pittsburgh Pirates | 4 - 1 | Philadelphia Phillies |
| 08 Jul 2018 | Round 00 | Milwaukee Brewers | 10 - 3 | Atlanta Braves |
| 08 Jul 2018 | Round 00 | Minnesota Twins | 10 - 1 | Baltimore Orioles |
| 08 Jul 2018 | Round 00 | Houston Astros | 2 - 1 | Chicago White |
| 08 Jul 2018 | Round 00 | Kansas City | 4 - 7 | Boston Red |
| 08 Jul 2018 | Round 00 | Chicago Cubs | 6 - 5 | Cincinnati Reds |
| 08 Jul 2018 | Round 00 | San Francisco | 13 - 8 | St. Louis |
| 08 Jul 2018 | Round 00 | Seattle Mariners | 6 - 4 | Colorado Rockies |
| 09 Jul 2018 | Round 00 | Baltimore Orioles | 5 - 4 | New York |
| 09 Jul 2018 | Round 00 | Pittsburgh Pirates | 6 - 3 | Washington Nationals |
| 09 Jul 2018 | Round 00 | Cleveland Indians | 5 - 7 | Cincinnati Reds |
| 09 Jul 2018 | Round 00 | Tampa Bay | 10 - 9 | Detroit Tigers |
| 09 Jul 2018 | Round 00 | Miami Marlins | 4 - 3 | Milwaukee Brewers |
| 09 Jul 2018 | Round 00 | New York | 4 - 3 | Philadelphia Phillies |
| 09 Jul 2018 | Round 00 | Boston Red | 5 - 0 | Texas Rangers |
| 10 Jul 2018 | Round 00 | Minnesota Twins | 3 - 1 | Kansas City |
| 10 Jul 2018 | Round 00 | Houston Astros | - | Oakland Athletics |
| 10 Jul 2018 | Round 00 | San Diego | 2 - 8 | Los Angeles |
| 10 Jul 2018 | Round 00 | San Francisco | 2 - 1 | Chicago Cubs |
| 10 Jul 2018 | Round 00 | Baltimore Orioles | 6 - 5 | New York |
| 10 Jul 2018 | Round 00 | Pittsburgh Pirates | 1 - 5 | Washington Nationals |
| 10 Jul 2018 | Round 00 | Cleveland Indians | 4 - 7 | Cincinnati Reds |
| 10 Jul 2018 | Round 00 | Tampa Bay | 5 - 2 | Detroit Tigers |
| 10 Jul 2018 | Round 00 | Miami Marlins | 4 - 8 | Milwaukee Brewers |
| 10 Jul 2018 | Round 00 | New York | 3 - 7 | Philadelphia Phillies |
| 10 Jul 2018 | Round 00 | Boston Red | 8 - 4 | Texas Rangers |
| 10 Jul 2018 | Round 00 | Atlanta Braves | 2 - 6 | Toronto Blue |
| 11 Jul 2018 | Round 00 | Minnesota Twins | 4 - 9 | Kansas City |
| 11 Jul 2018 | Round 00 | Houston Astros | 6 - 5 | Oakland Athletics |
| 11 Jul 2018 | Round 00 | Chicago White | 2 - 14 | St. Louis |
| 11 Jul 2018 | Round 00 | Colorado Rockies | 3 - 5 | Arizona Diamondbacks |
| 11 Jul 2018 | Round 00 | Los Angeles | 9 - 3 | Seattle Mariners |
| 11 Jul 2018 | Round 00 | San Diego | 4 - 1 | Los Angeles |
| 11 Jul 2018 | Round 00 | San Francisco | 5 - 4 | Chicago Cubs |
| 11 Jul 2018 | Round 00 | Tampa Bay | 4 - 2 | Detroit Tigers |
| 11 Jul 2018 | Round 00 | Pittsburgh Pirates | 2 - 0 | Washington Nationals |
| 11 Jul 2018 | Round 00 | Baltimore Orioles | - | New York |
| 11 Jul 2018 | Round 00 | Cleveland Indians | 19 - 4 | Cincinnati Reds |
| 11 Jul 2018 | Round 00 | Miami Marlins | 5 - 4 | Milwaukee Brewers |
| 11 Jul 2018 | Round 00 | New York | 3 - 0 | Philadelphia Phillies |
| 11 Jul 2018 | Round 00 | Boston Red | 4 - 2 | Texas Rangers |
| 11 Jul 2018 | Round 00 | Atlanta Braves | 9 - 5 | Toronto Blue |
| 12 Jul 2018 | Round 00 | Houston Astros | 3 - 8 | Oakland Athletics |
| 12 Jul 2018 | Round 00 | Chicago White | 4 - 0 | St. Louis |
| 12 Jul 2018 | Round 00 | Colorado Rockies | 19 - 2 | Arizona Diamondbacks |
| 12 Jul 2018 | Round 00 | Los Angeles | - | Seattle Mariners |
| 12 Jul 2018 | Round 00 | San Diego | 2 - 4 | Los Angeles |
| 12 Jul 2018 | Round 00 | Pittsburgh Pirates | 6 - 3 | Milwaukee Brewers |
| 12 Jul 2018 | Round 00 | Cleveland Indians | 4 - 7 | New York |
| 12 Jul 2018 | Round 00 | Boston Red | 6 - 4 | Toronto Blue |
| 12 Jul 2018 | Round 00 | New York | 4 - 5 | Washington Nationals |
| 12 Jul 2018 | Round 00 | Baltimore Orioles | 4 - 5 | Philadelphia Phillies |
| 13 Jul 2018 | Round 00 | Minnesota Twins | 5 - 1 | Tampa Bay |
| 13 Jul 2018 | Round 00 | Los Angeles | 11 - 2 | Seattle Mariners |
| 13 Jul 2018 | Round 00 | San Diego | 2 - 3 | Los Angeles |
| 13 Jul 2018 | Round 00 | Pittsburgh Pirates | 7 - 3 | Milwaukee Brewers |
| 13 Jul 2018 | Round 00 | Baltimore Orioles | 4 - 5 | Texas Rangers |
| 13 Jul 2018 | Round 00 | Cleveland Indians | 6 - 5 | New York |
| 13 Jul 2018 | Round 00 | Miami Marlins | - | Philadelphia Phillies |
| 13 Jul 2018 | Round 00 | Boston Red | 7 - 13 | Toronto Blue |
| 13 Jul 2018 | Round 00 | New York | 4 - 2 | Washington Nationals |
| 13 Jul 2018 | Round 00 | Atlanta Braves | 1 - 2 | Arizona Diamondbacks |
| 14 Jul 2018 | Round 00 | Houston Astros | 3 - 0 | Detroit Tigers |
| 14 Jul 2018 | Round 00 | Chicago White | 9 - 6 | Kansas City |
| 14 Jul 2018 | Round 00 | Minnesota Twins | 11 - 8 | Tampa Bay |
| 14 Jul 2018 | Round 00 | St. Louis | 1 - 9 | Cincinnati Reds |
| 14 Jul 2018 | Round 00 | Colorado Rockies | 10 - 7 | Seattle Mariners |
| 14 Jul 2018 | Round 00 | San Diego | 4 - 5 | Chicago Cubs |
| 14 Jul 2018 | Round 00 | Los Angeles | 3 - 2 | Los Angeles |
| 14 Jul 2018 | Round 00 | San Francisco | 7 - 1 | Oakland Athletics |
| 14 Jul 2018 | Round 00 | Boston Red | 6 - 2 | Toronto Blue |
| 14 Jul 2018 | Round 00 | Pittsburgh Pirates | 2 - 1 | Milwaukee Brewers |
| 14 Jul 2018 | Round 00 | Atlanta Braves | - | Arizona Diamondbacks |
| 14 Jul 2018 | Round 00 | Miami Marlins | 2 - 0 | Philadelphia Phillies |
| 14 Jul 2018 | Round 00 | New York | 7 - 4 | Washington Nationals |
| 14 Jul 2018 | Round 00 | Cleveland Indians | 4 - 5 | New York |
| 14 Jul 2018 | Round 00 | Baltimore Orioles | 1 - 0 | Texas Rangers |
| 15 Jul 2018 | Round 00 | Colorado Rockies | 4 - 1 | Seattle Mariners |
| 15 Jul 2018 | Round 00 | San Francisco | 3 - 4 | Oakland Athletics |
| 15 Jul 2018 | Round 00 | San Diego | 6 - 11 | Chicago Cubs |
| 15 Jul 2018 | Round 00 | Baltimore Orioles | 6 - 5 | Texas Rangers |
| 15 Jul 2018 | Round 00 | Boston Red | 5 - 2 | Toronto Blue |
| 15 Jul 2018 | Round 00 | Cleveland Indians | 5 - 2 | New York |
| 15 Jul 2018 | Round 00 | Miami Marlins | 10 - 5 | Philadelphia Phillies |
| 15 Jul 2018 | Round 00 | New York | 1 - 6 | Washington Nationals |
| 15 Jul 2018 | Round 00 | Atlanta Braves | 5 - 1 | Arizona Diamondbacks |
| 15 Jul 2018 | Round 00 | Pittsburgh Pirates | 7 - 6 | Milwaukee Brewers |
| 15 Jul 2018 | Round 00 | Houston Astros | 3 - 6 | Detroit Tigers |
| 15 Jul 2018 | Round 00 | Chicago White | 10 - 1 | Kansas City |
| 15 Jul 2018 | Round 00 | Minnesota Twins | 11 - 7 | Tampa Bay |
| 15 Jul 2018 | Round 00 | St. Louis | 6 - 4 | Cincinnati Reds |
| 15 Jul 2018 | Round 00 | Los Angeles | 5 - 3 | Los Angeles |
| 19 Jul 2018 | Round 00 | Chicago Cubs | 9 - 6 | St. Louis |
| 20 Jul 2018 | Round 00 | Chicago Cubs | 5 - 18 | St. Louis |
| 20 Jul 2018 | Round 00 | Washington Nationals | 5 - 8 | Atlanta Braves |
| 20 Jul 2018 | Round 00 | New York | 5 - 7 | New York |
| 20 Jul 2018 | Round 00 | Philadelphia Phillies | 11 - 5 | San Diego |
| 20 Jul 2018 | Round 00 | Toronto Blue | 8 - 7 | Baltimore Orioles |
| 20 Jul 2018 | Round 00 | Detroit Tigers | - | Boston Red |
| 20 Jul 2018 | Round 00 | Tampa Bay | 5 - 6 | Miami Marlins |
| 20 Jul 2018 | Round 00 | Cincinnati Reds | 1 - 12 | Pittsburgh Pirates |
| 21 Jul 2018 | Round 00 | Texas Rangers | 8 - 9 | Cleveland Indians |
| 21 Jul 2018 | Round 00 | Milwaukee Brewers | 4 - 6 | Los Angeles |
| 21 Jul 2018 | Round 00 | Kansas City | 6 - 5 | Minnesota Twins |
| 21 Jul 2018 | Round 00 | Oakland Athletics | 1 - 5 | San Francisco |
| 21 Jul 2018 | Round 00 | Arizona Diamondbacks | 10 - 11 | Colorado Rockies |
| 21 Jul 2018 | Round 00 | Los Angeles | 1 - 3 | Houston Astros |
| 21 Jul 2018 | Round 00 | Seattle Mariners | 3 - 1 | Chicago White |
| 21 Jul 2018 | Round 00 | New York | 7 - 6 | New York |
| 21 Jul 2018 | Round 00 | Toronto Blue | 4 - 1 | Baltimore Orioles |
| 21 Jul 2018 | Round 00 | Detroit Tigers | 5 - 0 | Boston Red |
| 21 Jul 2018 | Round 00 | Tampa Bay | 2 - 3 | Miami Marlins |
| 21 Jul 2018 | Round 00 | Washington Nationals | - | Atlanta Braves |
| 21 Jul 2018 | Round 00 | Philadelphia Phillies | - | San Diego |
| 21 Jul 2018 | Round 00 | Cincinnati Reds | 2 - 6 | Pittsburgh Pirates |
| 21 Jul 2018 | Round 00 | Chicago Cubs | 7 - 2 | St. Louis |
| 22 Jul 2018 | Round 00 | Texas Rangers | 3 - 16 | Cleveland Indians |
| 22 Jul 2018 | Round 00 | Arizona Diamondbacks | 5 - 6 | Colorado Rockies |
| 22 Jul 2018 | Round 00 | Oakland Athletics | 4 - 3 | San Francisco |
| 22 Jul 2018 | Round 00 | Seattle Mariners | 8 - 2 | Chicago White |
| 22 Jul 2018 | Round 00 | Toronto Blue | 5 - 4 | Baltimore Orioles |
| 22 Jul 2018 | Round 00 | Detroit Tigers | 1 - 9 | Boston Red |
| 22 Jul 2018 | Round 00 | Tampa Bay | 6 - 4 | Miami Marlins |
| 22 Jul 2018 | Round 00 | Cincinnati Reds | 2 - 9 | Pittsburgh Pirates |
| 22 Jul 2018 | Round 00 | Washington Nationals | 6 - 2 | Atlanta Braves |
| 22 Jul 2018 | Round 00 | Philadelphia Phillies | 2 - 10 | San Diego |
| 22 Jul 2018 | Round 00 | Milwaukee Brewers | 2 - 11 | Los Angeles |
| 22 Jul 2018 | Round 00 | Kansas City | 5 - 3 | Minnesota Twins |
| 22 Jul 2018 | Round 00 | Chicago Cubs | 7 - 2 | St. Louis |
| 22 Jul 2018 | Round 00 | Los Angeles | 14 - 5 | Houston Astros |
| 23 Jul 2018 | Round 00 | New York | - | New York |
| 23 Jul 2018 | Round 00 | Baltimore Orioles | 3 - 5 | Boston Red |
| 23 Jul 2018 | Round 00 | Philadelphia Phillies | 6 - 7 | Los Angeles |
| 23 Jul 2018 | Round 00 | Toronto Blue | 3 - 8 | Minnesota Twins |
| 23 Jul 2018 | Round 00 | Miami Marlins | 1 - 12 | Atlanta Braves |
| 23 Jul 2018 | Round 00 | Tampa Bay | 7 - 6 | New York |
| 23 Jul 2018 | Round 00 | Cleveland Indians | - | Pittsburgh Pirates |
| 23 Jul 2018 | Round 00 | New York | 2 - 3 | San Diego |
| 23 Jul 2018 | Round 00 | Cincinnati Reds | 2 - 1 | St. Louis |
| 24 Jul 2018 | Round 00 | Chicago Cubs | 1 - 7 | Arizona Diamondbacks |
| 24 Jul 2018 | Round 00 | Texas Rangers | 3 - 15 | Oakland Athletics |
| 24 Jul 2018 | Round 00 | Milwaukee Brewers | 6 - 1 | Washington Nationals |
| 24 Jul 2018 | Round 00 | Kansas City | 4 - 5 | Detroit Tigers |
| 24 Jul 2018 | Round 00 | Los Angeles | 3 - 5 | Chicago White |
| 24 Jul 2018 | Round 00 | Miami Marlins | 9 - 3 | Atlanta Braves |
| 24 Jul 2018 | Round 00 | Baltimore Orioles | 7 - 6 | Boston Red |
| 24 Jul 2018 | Round 00 | Philadelphia Phillies | 7 - 4 | Los Angeles |
| 24 Jul 2018 | Round 00 | Toronto Blue | - | Minnesota Twins |
| 24 Jul 2018 | Round 00 | Tampa Bay | - | New York |
| 24 Jul 2018 | Round 00 | Cleveland Indians | 4 - 9 | Pittsburgh Pirates |
| 24 Jul 2018 | Round 00 | New York | 6 - 3 | San Diego |
| 24 Jul 2018 | Round 00 | Cincinnati Reds | 2 - 4 | St. Louis |
| 25 Jul 2018 | Round 00 | Chicago Cubs | 1 - 5 | Arizona Diamondbacks |
| 25 Jul 2018 | Round 00 | Texas Rangers | 10 - 13 | Oakland Athletics |
| 25 Jul 2018 | Round 00 | Milwaukee Brewers | 5 - 4 | Washington Nationals |
| 25 Jul 2018 | Round 00 | Kansas City | 5 - 4 | Detroit Tigers |
| 25 Jul 2018 | Round 00 | Colorado Rockies | 2 - 8 | Houston Astros |
| 25 Jul 2018 | Round 00 | Los Angeles | 2 - 4 | Chicago White |
| 25 Jul 2018 | Round 00 | Seattle Mariners | 3 - 4 | San Francisco |
| 25 Jul 2018 | Round 00 | Tampa Bay | 3 - 2 | New York |
| 25 Jul 2018 | Round 00 | New York | 6 - 4 | San Diego |
| 25 Jul 2018 | Round 00 | Philadelphia Phillies | 7 - 3 | Los Angeles |
| 25 Jul 2018 | Round 00 | Cincinnati Reds | 7 - 3 | St. Louis |
| 25 Jul 2018 | Round 00 | Cleveland Indians | 4 - 0 | Pittsburgh Pirates |
| 25 Jul 2018 | Round 00 | Toronto Blue | 6 - 12 | Minnesota Twins |
| 25 Jul 2018 | Round 00 | Baltimore Orioles | - | Boston Red |
| 26 Jul 2018 | Round 00 | Texas Rangers | 5 - 6 | Oakland Athletics |
| 26 Jul 2018 | Round 00 | Colorado Rockies | 3 - 2 | Houston Astros |
| 26 Jul 2018 | Round 00 | Los Angeles | 11 - 3 | Chicago White |
| 26 Jul 2018 | Round 00 | Chicago Cubs | 7 - 6 | Arizona Diamondbacks |
| 26 Jul 2018 | Round 00 | New York | 7 - 2 | Kansas City |
| 26 Jul 2018 | Round 00 | Pittsburgh Pirates | 6 - 12 | New York |
| 26 Jul 2018 | Round 00 | Baltimore Orioles | 3 - 4 | Tampa Bay |
| 26 Jul 2018 | Round 00 | Boston Red | 1 - 2 | Minnesota Twins |
| 26 Jul 2018 | Round 00 | Cincinnati Reds | 4 - 9 | Philadelphia Phillies |
| 26 Jul 2018 | Round 00 | Miami Marlins | 3 - 10 | Washington Nationals |
| 26 Jul 2018 | Round 00 | Atlanta Braves | 2 - 8 | Los Angeles |
| 27 Jul 2018 | Round 00 | Texas Rangers | 6 - 7 | Oakland Athletics |
| 27 Jul 2018 | Round 00 | San Francisco | 5 - 7 | Milwaukee Brewers |
| 27 Jul 2018 | Round 00 | New York | - | Kansas City |
| 27 Jul 2018 | Round 00 | Pittsburgh Pirates | 5 - 4 | New York |
| 27 Jul 2018 | Round 00 | Baltimore Orioles | 15 - 5 | Tampa Bay |
| 27 Jul 2018 | Round 00 | Detroit Tigers | 3 - 8 | Cleveland Indians |
| 27 Jul 2018 | Round 00 | Boston Red | 4 - 3 | Minnesota Twins |
| 27 Jul 2018 | Round 00 | Cincinnati Reds | 6 - 4 | Philadelphia Phillies |
| 27 Jul 2018 | Round 00 | Miami Marlins | 1 - 9 | Washington Nationals |
| 27 Jul 2018 | Round 00 | Atlanta Braves | 1 - 4 | Los Angeles |
| 28 Jul 2018 | Round 00 | Houston Astros | 2 - 11 | Texas Rangers |
| 28 Jul 2018 | Round 00 | Chicago White | 5 - 10 | Toronto Blue |
| 28 Jul 2018 | Round 00 | St. Louis | 5 - 2 | Chicago Cubs |
| 28 Jul 2018 | Round 00 | Colorado Rockies | 3 - 1 | Oakland Athletics |
| 28 Jul 2018 | Round 00 | Los Angeles | 4 - 3 | Seattle Mariners |
| 28 Jul 2018 | Round 00 | San Diego | 2 - 6 | Arizona Diamondbacks |
| 28 Jul 2018 | Round 00 | San Francisco | 1 - 3 | Milwaukee Brewers |
| 28 Jul 2018 | Round 00 | New York | 5 - 10 | Kansas City |
| 28 Jul 2018 | Round 00 | Detroit Tigers | 2 - 1 | Cleveland Indians |
| 28 Jul 2018 | Round 00 | Cincinnati Reds | 6 - 2 | Philadelphia Phillies |
| 28 Jul 2018 | Round 00 | Pittsburgh Pirates | 5 - 0 | New York |
| 28 Jul 2018 | Round 00 | Baltimore Orioles | 11 - 2 | Tampa Bay |
| 28 Jul 2018 | Round 00 | Atlanta Braves | 1 - 5 | Los Angeles |
| 28 Jul 2018 | Round 00 | Boston Red | 10 - 4 | Minnesota Twins |
| 28 Jul 2018 | Round 00 | Miami Marlins | 2 - 1 | Washington Nationals |
| 29 Jul 2018 | Round 00 | Colorado Rockies | 4 - 1 | Oakland Athletics |
| 29 Jul 2018 | Round 00 | San Diego | 4 - 9 | Arizona Diamondbacks |
| 29 Jul 2018 | Round 00 | San Francisco | 1 - 7 | Milwaukee Brewers |
| 29 Jul 2018 | Round 00 | Los Angeles | 11 - 5 | Seattle Mariners |
| 29 Jul 2018 | Round 00 | New York | 6 - 3 | Kansas City |
| 29 Jul 2018 | Round 00 | Boston Red | 3 - 0 | Minnesota Twins |
| 29 Jul 2018 | Round 00 | Baltimore Orioles | 11 - 5 | Tampa Bay |
| 29 Jul 2018 | Round 00 | Detroit Tigers | 1 - 8 | Cleveland Indians |
| 29 Jul 2018 | Round 00 | Cincinnati Reds | 4 - 0 | Philadelphia Phillies |
| 29 Jul 2018 | Round 00 | Miami Marlins | 5 - 0 | Washington Nationals |
| 29 Jul 2018 | Round 00 | Atlanta Braves | 4 - 1 | Los Angeles |
| 29 Jul 2018 | Round 00 | Pittsburgh Pirates | - | New York |
| 29 Jul 2018 | Round 00 | Houston Astros | 3 - 4 | Texas Rangers |
| 29 Jul 2018 | Round 00 | Chicago White | 4 - 7 | Toronto Blue |
| 30 Jul 2018 | Round 00 | St. Louis | 2 - 5 | Chicago Cubs |
| 30 Jul 2018 | Round 00 | Boston Red | 2 - 1 | Philadelphia Phillies |
| 30 Jul 2018 | Round 00 | Atlanta Braves | 5 - 3 | Miami Marlins |
| 31 Jul 2018 | Round 00 | Minnesota Twins | 5 - 4 | Cleveland Indians |
| 31 Jul 2018 | Round 00 | St. Louis | 5 - 4 | Colorado Rockies |
| 31 Jul 2018 | Round 00 | Arizona Diamondbacks | 5 - 9 | Texas Rangers |
| 31 Jul 2018 | Round 00 | Oakland Athletics | 10 - 1 | Toronto Blue |
| 31 Jul 2018 | Round 00 | Seattle Mariners | 2 - 0 | Houston Astros |
| 31 Jul 2018 | Round 00 | Los Angeles | 2 - 5 | Milwaukee Brewers |
| 31 Jul 2018 | Round 00 | San Diego | 3 - 5 | San Francisco |
| 31 Jul 2018 | Round 00 | New York | 6 - 3 | Baltimore Orioles |
| 31 Jul 2018 | Round 00 | Pittsburgh Pirates | 5 - 4 | Chicago Cubs |
| 31 Jul 2018 | Round 00 | Washington Nationals | 25 - 4 | New York |
| 31 Jul 2018 | Round 00 | Detroit Tigers | 2 - 1 | Cincinnati Reds |
| 31 Jul 2018 | Round 00 | Tampa Bay | 10 - 6 | Los Angeles |
| 31 Jul 2018 | Round 00 | Boston Red | 1 - 3 | Philadelphia Phillies |
| 31 Jul 2018 | Round 00 | Atlanta Braves | 11 - 6 | Miami Marlins |
| 01 Aug 2018 | Round 00 | Minnesota Twins | 2 - 6 | Cleveland Indians |
| 01 Aug 2018 | Round 00 | Chicago White | 2 - 4 | Kansas City |
| 01 Aug 2018 | Round 00 | St. Louis | 3 - 6 | Colorado Rockies |
| 01 Aug 2018 | Round 00 | Arizona Diamondbacks | 6 - 0 | Texas Rangers |
| 01 Aug 2018 | Round 00 | Oakland Athletics | 6 - 2 | Toronto Blue |
| 01 Aug 2018 | Round 00 | Seattle Mariners | 2 - 5 | Houston Astros |
| 01 Aug 2018 | Round 00 | Los Angeles | - | Milwaukee Brewers |
| 01 Aug 2018 | Round 00 | Washington Nationals | 5 - 3 | New York |
| 01 Aug 2018 | Round 00 | New York | 5 - 7 | Baltimore Orioles |
| 01 Aug 2018 | Round 00 | Detroit Tigers | 7 - 4 | Cincinnati Reds |
| 01 Aug 2018 | Round 00 | Pittsburgh Pirates | 2 - 9 | Chicago Cubs |
| 01 Aug 2018 | Round 00 | Tampa Bay | 7 - 2 | Los Angeles |
| 01 Aug 2018 | Round 00 | Atlanta Braves | - | Miami Marlins |
| 02 Aug 2018 | Round 00 | Tampa Bay | 4 - 2 | Los Angeles |
| 02 Aug 2018 | Round 00 | Washington Nationals | 10 - 4 | Cincinnati Reds |
| 02 Aug 2018 | Round 00 | Philadelphia Phillies | 5 - 2 | Miami Marlins |
| 02 Aug 2018 | Round 00 | New York | 2 - 4 | Atlanta Braves |
| 02 Aug 2018 | Round 00 | Boston Red | 15 - 7 | New York |
| 02 Aug 2018 | Round 00 | Chicago White | 5 - 10 | Kansas City |
| 02 Aug 2018 | Round 00 | St. Louis | 6 - 3 | Colorado Rockies |
| 02 Aug 2018 | Round 00 | Los Angeles | 6 - 4 | Milwaukee Brewers |
| 03 Aug 2018 | Round 00 | Texas Rangers | 17 - 8 | Baltimore Orioles |
| 03 Aug 2018 | Round 00 | Chicago Cubs | 1 - 6 | San Diego |
| 03 Aug 2018 | Round 00 | Los Angeles | 21 - 5 | Milwaukee Brewers |
| 03 Aug 2018 | Round 00 | Arizona Diamondbacks | 1 - 8 | San Francisco |
| 03 Aug 2018 | Round 00 | Seattle Mariners | 3 - 7 | Toronto Blue |
| 03 Aug 2018 | Round 00 | Washington Nationals | - | Cincinnati Reds |
| 03 Aug 2018 | Round 00 | Philadelphia Phillies | 5 - 1 | Miami Marlins |
| 03 Aug 2018 | Round 00 | Pittsburgh Pirates | 7 - 6 | St. Louis |
| 03 Aug 2018 | Round 00 | New York | 1 - 2 | Atlanta Braves |
| 03 Aug 2018 | Round 00 | Tampa Bay | 2 - 3 | Chicago White |
| 03 Aug 2018 | Round 00 | Cleveland Indians | 4 - 7 | Los Angeles |
| 03 Aug 2018 | Round 00 | Boston Red | 4 - 1 | New York |
| 04 Aug 2018 | Round 00 | Texas Rangers | 11 - 3 | Baltimore Orioles |
| 04 Aug 2018 | Round 00 | Milwaukee Brewers | 5 - 3 | Colorado Rockies |
| 04 Aug 2018 | Round 00 | Minnesota Twins | 6 - 4 | Kansas City |
| 04 Aug 2018 | Round 00 | Arizona Diamondbacks | 6 - 3 | San Francisco |
| 04 Aug 2018 | Round 00 | Oakland Athletics | 1 - 0 | Detroit Tigers |
| 04 Aug 2018 | Round 00 | Los Angeles | 1 - 2 | Houston Astros |
| 04 Aug 2018 | Round 00 | Seattle Mariners | 2 - 7 | Toronto Blue |
| 04 Aug 2018 | Round 00 | Chicago Cubs | 5 - 4 | San Diego |
| 04 Aug 2018 | Round 00 | Boston Red | 4 - 1 | New York |
| 04 Aug 2018 | Round 00 | Tampa Bay | 1 - 2 | Chicago White |
| 04 Aug 2018 | Round 00 | Washington Nationals | 1 - 7 | Cincinnati Reds |
| 04 Aug 2018 | Round 00 | Philadelphia Phillies | 8 - 3 | Miami Marlins |
| 04 Aug 2018 | Round 00 | Pittsburgh Pirates | 4 - 8 | St. Louis |
| 04 Aug 2018 | Round 00 | New York | 3 - 0 | Atlanta Braves |
| 04 Aug 2018 | Round 00 | Cleveland Indians | 3 - 0 | Los Angeles |
| 05 Aug 2018 | Round 00 | Texas Rangers | 3 - 1 | Baltimore Orioles |
| 05 Aug 2018 | Round 00 | Arizona Diamondbacks | 9 - 3 | San Francisco |
| 05 Aug 2018 | Round 00 | Oakland Athletics | 2 - 1 | Detroit Tigers |
| 05 Aug 2018 | Round 00 | Los Angeles | 3 - 2 | Houston Astros |
| 05 Aug 2018 | Round 00 | Seattle Mariners | 1 - 5 | Toronto Blue |
| 05 Aug 2018 | Round 00 | Boston Red | - | New York |
| 05 Aug 2018 | Round 00 | New York | 4 - 5 | Atlanta Braves |
| 05 Aug 2018 | Round 00 | Tampa Bay | 7 - 8 | Chicago White |
| 05 Aug 2018 | Round 00 | Cleveland Indians | 4 - 3 | Los Angeles |
| 05 Aug 2018 | Round 00 | Washington Nationals | 2 - 1 | Cincinnati Reds |
| 05 Aug 2018 | Round 00 | Philadelphia Phillies | 5 - 3 | Miami Marlins |
| 05 Aug 2018 | Round 00 | Pittsburgh Pirates | 1 - 2 | St. Louis |
| 05 Aug 2018 | Round 00 | Milwaukee Brewers | 4 - 5 | Colorado Rockies |
| 05 Aug 2018 | Round 00 | Minnesota Twins | 6 - 5 | Kansas City |
| 05 Aug 2018 | Round 00 | Chicago Cubs | 6 - 10 | San Diego |
| 06 Aug 2018 | Round 00 | Boston Red | 5 - 4 | New York |
| 06 Aug 2018 | Round 00 | New York | 6 - 4 | Cincinnati Reds |
| 06 Aug 2018 | Round 00 | Cleveland Indians | 10 - 0 | Minnesota Twins |
| 06 Aug 2018 | Round 00 | Miami Marlins | 2 - 1 | St. Louis |
| 07 Aug 2018 | Round 00 | Texas Rangers | 3 - 4 | Seattle Mariners |
| 07 Aug 2018 | Round 00 | Chicago White | - | New York |
| 07 Aug 2018 | Round 00 | Kansas City | 1 - 3 | Chicago Cubs |
| 07 Aug 2018 | Round 00 | Colorado Rockies | 2 - 0 | Pittsburgh Pirates |
| 07 Aug 2018 | Round 00 | Arizona Diamondbacks | 2 - 2 | Philadelphia Phillies |
| 07 Aug 2018 | Round 00 | Los Angeles | 6 - 2 | Detroit Tigers |
| 07 Aug 2018 | Round 00 | San Francisco | 1 - 3 | Houston Astros |
| 07 Aug 2018 | Round 00 | Washington Nationals | 8 - 3 | Atlanta Braves |
| 07 Aug 2018 | Round 00 | Toronto Blue | 7 - 10 | Boston Red |
| 07 Aug 2018 | Round 00 | Tampa Bay | 4 - 3 | Baltimore Orioles |
| 07 Aug 2018 | Round 00 | New York | 1 - 6 | Cincinnati Reds |
| 07 Aug 2018 | Round 00 | Cleveland Indians | 2 - 3 | Minnesota Twins |
| 07 Aug 2018 | Round 00 | Miami Marlins | 2 - 3 | St. Louis |
| 08 Aug 2018 | Round 00 | Texas Rangers | 11 - 4 | Seattle Mariners |
| 08 Aug 2018 | Round 00 | Chicago White | 3 - 4 | New York |
| 08 Aug 2018 | Round 00 | Milwaukee Brewers | 5 - 11 | San Diego |
| 08 Aug 2018 | Round 00 | Kansas City | - | Chicago Cubs |
| 08 Aug 2018 | Round 00 | Colorado Rockies | 2 - 10 | Pittsburgh Pirates |
| 08 Aug 2018 | Round 00 | Arizona Diamondbacks | 2 - 5 | Philadelphia Phillies |
| 08 Aug 2018 | Round 00 | Oakland Athletics | 2 - 4 | Los Angeles |
| 08 Aug 2018 | Round 00 | Los Angeles | 11 - 5 | Detroit Tigers |
| 08 Aug 2018 | Round 00 | New York | 8 - 0 | Cincinnati Reds |
| 08 Aug 2018 | Round 00 | Washington Nationals | 3 - 8 | Atlanta Braves |
| 08 Aug 2018 | Round 00 | Toronto Blue | 5 - 10 | Boston Red |
| 08 Aug 2018 | Round 00 | Tampa Bay | 4 - 5 | Baltimore Orioles |
| 08 Aug 2018 | Round 00 | Cleveland Indians | 5 - 2 | Minnesota Twins |
| 08 Aug 2018 | Round 00 | Miami Marlins | 1 - 7 | St. Louis |
| 09 Aug 2018 | Round 00 | Chicago White | 3 - 7 | New York |
| 09 Aug 2018 | Round 00 | Milwaukee Brewers | 8 - 4 | San Diego |
| 09 Aug 2018 | Round 00 | Kansas City | 9 - 0 | Chicago Cubs |
| 09 Aug 2018 | Round 00 | Oakland Athletics | 3 - 2 | Los Angeles |
| 09 Aug 2018 | Round 00 | Washington Nationals | 6 - 3 | Atlanta Braves |
| 09 Aug 2018 | Round 00 | Cleveland Indians | 5 - 4 | Minnesota Twins |
| 09 Aug 2018 | Round 00 | New York | 7 - 3 | Texas Rangers |
| 09 Aug 2018 | Round 00 | Toronto Blue | 8 - 5 | Boston Red |
| 09 Aug 2018 | Round 00 | Tampa Bay | 5 - 4 | Baltimore Orioles |
| 10 Aug 2018 | Round 00 | Houston Astros | 6 - 8 | Seattle Mariners |
| 10 Aug 2018 | Round 00 | Colorado Rockies | 5 - 8 | Los Angeles |
| 10 Aug 2018 | Round 00 | San Francisco | 5 - 10 | Pittsburgh Pirates |
| 10 Aug 2018 | Round 00 | Chicago Cubs | 3 - 2 | Washington Nationals |
| 10 Aug 2018 | Round 00 | Baltimore Orioles | 12 - 19 | Boston Red |
| 10 Aug 2018 | Round 00 | New York | 7 - 12 | Texas Rangers |
| 10 Aug 2018 | Round 00 | Toronto Blue | - | Tampa Bay |
| 10 Aug 2018 | Round 00 | Cincinnati Reds | 3 - 0 | Arizona Diamondbacks |
| 10 Aug 2018 | Round 00 | Detroit Tigers | 5 - 3 | Minnesota Twins |
| 10 Aug 2018 | Round 00 | Miami Marlins | 2 - 6 | New York |
| 10 Aug 2018 | Round 00 | Atlanta Braves | 10 - 1 | Milwaukee Brewers |
| 11 Aug 2018 | Round 00 | Chicago White | 1 - 0 | Cleveland Indians |
| 11 Aug 2018 | Round 00 | Houston Astros | 2 - 5 | Seattle Mariners |
| 11 Aug 2018 | Round 00 | Kansas City | 3 - 8 | St. Louis |
| 11 Aug 2018 | Round 00 | Colorado Rockies | 5 - 4 | Los Angeles |
| 11 Aug 2018 | Round 00 | Los Angeles | 4 - 3 | Oakland Athletics |
| 11 Aug 2018 | Round 00 | San Diego | 2 - 0 | Philadelphia Phillies |
| 11 Aug 2018 | Round 00 | San Francisco | 13 - 10 | Pittsburgh Pirates |
| 11 Aug 2018 | Round 00 | New York | 5 - 3 | Texas Rangers |
| 11 Aug 2018 | Round 00 | Chicago Cubs | 4 - 9 | Washington Nationals |
| 11 Aug 2018 | Round 00 | Toronto Blue | 1 - 3 | Tampa Bay |
| 11 Aug 2018 | Round 00 | Detroit Tigers | 3 - 4 | Minnesota Twins |
| 11 Aug 2018 | Round 00 | Cincinnati Reds | 6 - 3 | Arizona Diamondbacks |
| 11 Aug 2018 | Round 00 | Baltimore Orioles | 4 - 6 | Boston Red |
| 11 Aug 2018 | Round 00 | Atlanta Braves | 2 - 4 | Milwaukee Brewers |
| 11 Aug 2018 | Round 00 | Miami Marlins | 4 - 3 | New York |
| 12 Aug 2018 | Round 00 | Colorado Rockies | 3 - 2 | Los Angeles |
| 12 Aug 2018 | Round 00 | San Diego | 1 - 5 | Philadelphia Phillies |
| 12 Aug 2018 | Round 00 | San Francisco | 4 - 3 | Pittsburgh Pirates |
| 12 Aug 2018 | Round 00 | Los Angeles | 7 - 8 | Oakland Athletics |
| 12 Aug 2018 | Round 00 | Chicago Cubs | - | Washington Nationals |
| 12 Aug 2018 | Round 00 | Baltimore Orioles | 1 - 4 | Boston Red |
| 12 Aug 2018 | Round 00 | New York | 7 - 2 | Texas Rangers |
| 12 Aug 2018 | Round 00 | Toronto Blue | 2 - 1 | Tampa Bay |
| 12 Aug 2018 | Round 00 | Cincinnati Reds | 2 - 9 | Arizona Diamondbacks |
| 12 Aug 2018 | Round 00 | Detroit Tigers | 4 - 2 | Minnesota Twins |
| 12 Aug 2018 | Round 00 | Miami Marlins | 3 - 4 | New York |
| 12 Aug 2018 | Round 00 | Atlanta Braves | 8 - 7 | Milwaukee Brewers |
| 12 Aug 2018 | Round 00 | Chicago White | 7 - 9 | Cleveland Indians |
| 12 Aug 2018 | Round 00 | Houston Astros | 3 - 4 | Seattle Mariners |
| 12 Aug 2018 | Round 00 | Kansas City | 2 - 8 | St. Louis |
| 13 Aug 2018 | Round 00 | Detroit Tigers | 9 - 5 | Chicago White |
| 13 Aug 2018 | Round 00 | Cincinnati Reds | 3 - 10 | Cleveland Indians |
| 13 Aug 2018 | Round 00 | Atlanta Braves | 9 - 1 | Miami Marlins |
| 13 Aug 2018 | Round 00 | Chicago Cubs | 4 - 3 | Washington Nationals |
| 13 Aug 2018 | Round 00 | New York | 5 - 8 | New York |
| 14 Aug 2018 | Round 00 | Texas Rangers | 5 - 3 | Arizona Diamondbacks |
| 14 Aug 2018 | Round 00 | St. Louis | 7 - 6 | Washington Nationals |
| 14 Aug 2018 | Round 00 | Kansas City | 3 - 1 | Toronto Blue |
| 14 Aug 2018 | Round 00 | Oakland Athletics | 7 - 6 | Seattle Mariners |
| 14 Aug 2018 | Round 00 | San Diego | 3 - 6 | Los Angeles |
| 14 Aug 2018 | Round 00 | Los Angeles | 2 - 5 | San Francisco |
| 14 Aug 2018 | Round 00 | Chicago Cubs | - | Milwaukee Brewers |
| 14 Aug 2018 | Round 00 | Philadelphia Phillies | 1 - 2 | Boston Red |
| 14 Aug 2018 | Round 00 | Baltimore Orioles | 6 - 3 | New York |
| 14 Aug 2018 | Round 00 | New York | 4 - 1 | Tampa Bay |
| 14 Aug 2018 | Round 00 | Detroit Tigers | 3 - 6 | Chicago White |
| 14 Aug 2018 | Round 00 | Cincinnati Reds | 1 - 8 | Cleveland Indians |
| 14 Aug 2018 | Round 00 | Atlanta Braves | 10 - 6 | Miami Marlins |
| 15 Aug 2018 | Round 00 | Texas Rangers | 4 - 6 | Arizona Diamondbacks |
| 15 Aug 2018 | Round 00 | Houston Astros | 1 - 5 | Colorado Rockies |
| 15 Aug 2018 | Round 00 | Minnesota Twins | 5 - 2 | Pittsburgh Pirates |
| 15 Aug 2018 | Round 00 | Kansas City | 5 - 6 | Toronto Blue |
| 15 Aug 2018 | Round 00 | St. Louis | 6 - 4 | Washington Nationals |
| 15 Aug 2018 | Round 00 | Oakland Athletics | 3 - 2 | Seattle Mariners |
| 15 Aug 2018 | Round 00 | San Diego | 3 - 7 | Los Angeles |
| 15 Aug 2018 | Round 00 | Los Angeles | 1 - 2 | San Francisco |
| 15 Aug 2018 | Round 00 | Detroit Tigers | 5 - 6 | Chicago White |
| 15 Aug 2018 | Round 00 | Chicago Cubs | 8 - 4 | Milwaukee Brewers |
| 15 Aug 2018 | Round 00 | Philadelphia Phillies | 7 - 4 | Boston Red |
| 15 Aug 2018 | Round 00 | Baltimore Orioles | 5 - 16 | New York |
| 15 Aug 2018 | Round 00 | New York | 1 - 6 | Tampa Bay |
| 15 Aug 2018 | Round 00 | Cincinnati Reds | 3 - 4 | Cleveland Indians |
| 15 Aug 2018 | Round 00 | Atlanta Braves | 5 - 2 | Miami Marlins |
| 16 Aug 2018 | Round 00 | Houston Astros | 12 - 1 | Colorado Rockies |
| 16 Aug 2018 | Round 00 | Kansas City | 5 - 6 | Toronto Blue |
| 16 Aug 2018 | Round 00 | St. Louis | 4 - 2 | Washington Nationals |
| 16 Aug 2018 | Round 00 | San Diego | 2 - 3 | Los Angeles |
| 16 Aug 2018 | Round 00 | Los Angeles | 4 - 3 | San Francisco |
| 16 Aug 2018 | Round 00 | New York | 1 - 3 | Tampa Bay |
| 16 Aug 2018 | Round 00 | Pittsburgh Pirates | - | Chicago Cubs |
| 16 Aug 2018 | Round 00 | Philadelphia Phillies | 4 - 24 | New York |
| 16 Aug 2018 | Round 00 | Atlanta Braves | 3 - 5 | Colorado Rockies |
| 17 Aug 2018 | Round 00 | Texas Rangers | 8 - 6 | Los Angeles |
| 17 Aug 2018 | Round 00 | Minnesota Twins | 15 - 8 | Detroit Tigers |
| 17 Aug 2018 | Round 00 | Kansas City | 6 - 2 | Toronto Blue |
| 17 Aug 2018 | Round 00 | San Diego | 1 - 5 | Arizona Diamondbacks |
| 17 Aug 2018 | Round 00 | Philadelphia Phillies | 4 - 2 | New York |
| 17 Aug 2018 | Round 00 | Pittsburgh Pirates | - | Chicago Cubs |
| 17 Aug 2018 | Round 00 | Washington Nationals | 8 - 2 | Miami Marlins |
| 17 Aug 2018 | Round 00 | New York | 7 - 5 | Toronto Blue |
| 17 Aug 2018 | Round 00 | Cleveland Indians | 2 - 1 | Baltimore Orioles |
| 17 Aug 2018 | Round 00 | Cincinnati Reds | 2 - 1 | San Francisco |
| 17 Aug 2018 | Round 00 | Boston Red | 7 - 3 | Tampa Bay |
| 17 Aug 2018 | Round 00 | Atlanta Braves | 5 - 11 | Colorado Rockies |
| 18 Aug 2018 | Round 00 | Texas Rangers | 6 - 4 | Los Angeles |
| 18 Aug 2018 | Round 00 | Minnesota Twins | 5 - 4 | Detroit Tigers |
| 18 Aug 2018 | Round 00 | Chicago White | 9 - 3 | Kansas City |
| 18 Aug 2018 | Round 00 | St. Louis | 5 - 2 | Milwaukee Brewers |
| 18 Aug 2018 | Round 00 | Oakland Athletics | 4 - 3 | Houston Astros |
| 18 Aug 2018 | Round 00 | San Diego | 4 - 9 | Arizona Diamondbacks |
| 18 Aug 2018 | Round 00 | Seattle Mariners | 1 - 11 | Los Angeles |
| 18 Aug 2018 | Round 00 | New York | 11 - 6 | Toronto Blue |
| 18 Aug 2018 | Round 00 | Cleveland Indians | 2 - 4 | Baltimore Orioles |
| 18 Aug 2018 | Round 00 | Philadelphia Phillies | 1 - 3 | New York |
| 18 Aug 2018 | Round 00 | Pittsburgh Pirates | 3 - 1 | Chicago Cubs |
| 18 Aug 2018 | Round 00 | Washington Nationals | 5 - 7 | Miami Marlins |
| 18 Aug 2018 | Round 00 | Atlanta Braves | 3 - 5 | Colorado Rockies |
| 18 Aug 2018 | Round 00 | Cincinnati Reds | 7 - 1 | San Francisco |
| 18 Aug 2018 | Round 00 | Boston Red | 5 - 2 | Tampa Bay |
| 19 Aug 2018 | Round 00 | Texas Rangers | 7 - 11 | Los Angeles |
| 19 Aug 2018 | Round 00 | San Diego | 7 - 6 | Arizona Diamondbacks |
| 19 Aug 2018 | Round 00 | Seattle Mariners | 5 - 4 | Los Angeles |
| 19 Aug 2018 | Round 00 | Boston Red | - | Tampa Bay |
| 19 Aug 2018 | Round 00 | New York | 10 - 2 | Toronto Blue |
| 19 Aug 2018 | Round 00 | Cleveland Indians | 8 - 0 | Baltimore Orioles |
| 19 Aug 2018 | Round 00 | Cincinnati Reds | 11 - 4 | San Francisco |
| 19 Aug 2018 | Round 00 | Pittsburgh Pirates | 2 - 1 | Chicago Cubs |
| 19 Aug 2018 | Round 00 | Atlanta Braves | 2 - 4 | Colorado Rockies |
| 19 Aug 2018 | Round 00 | Washington Nationals | 1 - 12 | Miami Marlins |
| 19 Aug 2018 | Round 00 | Minnesota Twins | 5 - 4 | Detroit Tigers |
| 19 Aug 2018 | Round 00 | Chicago White | 7 - 6 | Kansas City |
| 19 Aug 2018 | Round 00 | St. Louis | 1 - 2 | Milwaukee Brewers |
| 19 Aug 2018 | Round 00 | Oakland Athletics | 4 - 9 | Houston Astros |
| 19 Aug 2018 | Round 00 | Philadelphia Phillies | 2 - 8 | New York |
| 20 Aug 2018 | Round 00 | Minnesota Twins | 5 - 8 | Chicago White |
| 20 Aug 2018 | Round 00 | Pittsburgh Pirates | - | Atlanta Braves |
| 20 Aug 2018 | Round 00 | Toronto Blue | 5 - 3 | Baltimore Orioles |
| 20 Aug 2018 | Round 00 | Boston Red | 4 - 5 | Cleveland Indians |
| 20 Aug 2018 | Round 00 | Tampa Bay | 1 - 0 | Kansas City |
| 20 Aug 2018 | Round 00 | New York | 1 - 2 | San Francisco |
| 21 Aug 2018 | Round 00 | Milwaukee Brewers | 5 - 2 | Cincinnati Reds |
| 21 Aug 2018 | Round 00 | Oakland Athletics | 9 - 0 | Texas Rangers |
| 21 Aug 2018 | Round 00 | Seattle Mariners | 7 - 4 | Houston Astros |
| 21 Aug 2018 | Round 00 | Los Angeles | 3 - 5 | St. Louis |
| 21 Aug 2018 | Round 00 | Pittsburgh Pirates | 1 - 6 | Atlanta Braves |
| 21 Aug 2018 | Round 00 | Washington Nationals | 10 - 4 | Philadelphia Phillies |
| 21 Aug 2018 | Round 00 | Toronto Blue | 8 - 2 | Baltimore Orioles |
| 21 Aug 2018 | Round 00 | New York | 6 - 3 | San Francisco |
| 21 Aug 2018 | Round 00 | Detroit Tigers | 2 - 1 | Chicago Cubs |
| 21 Aug 2018 | Round 00 | Boston Red | 3 - 6 | Cleveland Indians |
| 21 Aug 2018 | Round 00 | Tampa Bay | 4 - 1 | Kansas City |
| 21 Aug 2018 | Round 00 | Miami Marlins | 1 - 2 | New York |
| 22 Aug 2018 | Round 00 | Milwaukee Brewers | 7 - 9 | Cincinnati Reds |
| 22 Aug 2018 | Round 00 | Chicago White | 2 - 5 | Minnesota Twins |
| 22 Aug 2018 | Round 00 | Colorado Rockies | 3 - 4 | San Diego |
| 22 Aug 2018 | Round 00 | Arizona Diamondbacks | 5 - 4 | Los Angeles |
| 22 Aug 2018 | Round 00 | Oakland Athletics | 6 - 0 | Texas Rangers |
| 22 Aug 2018 | Round 00 | Los Angeles | 2 - 5 | St. Louis |
| 22 Aug 2018 | Round 00 | Seattle Mariners | 2 - 3 | Houston Astros |
| 22 Aug 2018 | Round 00 | Toronto Blue | 6 - 0 | Baltimore Orioles |
| 22 Aug 2018 | Round 00 | Pittsburgh Pirates | 1 - 2 | Atlanta Braves |
| 22 Aug 2018 | Round 00 | Washington Nationals | 8 - 7 | Philadelphia Phillies |
| 22 Aug 2018 | Round 00 | Detroit Tigers | 2 - 8 | Chicago Cubs |
| 22 Aug 2018 | Round 00 | Boston Red | 10 - 4 | Cleveland Indians |
| 22 Aug 2018 | Round 00 | Tampa Bay | 6 - 3 | Kansas City |
| 22 Aug 2018 | Round 00 | Miami Marlins | 9 - 3 | New York |
| 22 Aug 2018 | Round 00 | New York | 5 - 3 | San Francisco |
| 23 Aug 2018 | Round 00 | Colorado Rockies | 6 - 2 | San Diego |
| 23 Aug 2018 | Round 00 | Arizona Diamondbacks | 5 - 1 | Los Angeles |
| 23 Aug 2018 | Round 00 | Los Angeles | 1 - 3 | St. Louis |
| 23 Aug 2018 | Round 00 | Boston Red | 7 - 0 | Cleveland Indians |
| 23 Aug 2018 | Round 00 | Washington Nationals | - | Philadelphia Phillies |
| 23 Aug 2018 | Round 00 | Detroit Tigers | 7 - 2 | Chicago White |
| 23 Aug 2018 | Round 00 | New York | 1 - 3 | San Francisco |
| 23 Aug 2018 | Round 00 | Miami Marlins | - | Atlanta Braves |
| 23 Aug 2018 | Round 00 | Tampa Bay | 4 - 3 | Kansas City |
| 24 Aug 2018 | Round 00 | Detroit Tigers | 3 - 6 | Chicago White |
| 24 Aug 2018 | Round 00 | New York | 3 - 0 | Washington Nationals |
| 24 Aug 2018 | Round 00 | Chicago Cubs | 7 - 1 | Cincinnati Reds |
| 24 Aug 2018 | Round 00 | Minnesota Twins | 6 - 4 | Oakland Athletics |
| 24 Aug 2018 | Round 00 | Baltimore Orioles | 5 - 7 | New York |
| 24 Aug 2018 | Round 00 | Toronto Blue | 4 - 2 | Philadelphia Phillies |
| 24 Aug 2018 | Round 00 | Miami Marlins | 1 - 0 | Atlanta Braves |
| 24 Aug 2018 | Round 00 | Tampa Bay | 10 - 3 | Boston Red |
| 25 Aug 2018 | Round 00 | Minnesota Twins | 1 - 7 | Oakland Athletics |
| 25 Aug 2018 | Round 00 | Milwaukee Brewers | 7 - 6 | Pittsburgh Pirates |
| 25 Aug 2018 | Round 00 | Kansas City | 5 - 4 | Cleveland Indians |
| 25 Aug 2018 | Round 00 | Colorado Rockies | 5 - 7 | St. Louis |
| 25 Aug 2018 | Round 00 | Arizona Diamondbacks | 3 - 6 | Seattle Mariners |
| 25 Aug 2018 | Round 00 | Los Angeles | 3 - 9 | Houston Astros |
| 25 Aug 2018 | Round 00 | Los Angeles | 11 - 1 | San Diego |
| 25 Aug 2018 | Round 00 | San Francisco | 6 - 7 | Texas Rangers |
| 25 Aug 2018 | Round 00 | Chicago Cubs | 10 - 6 | Cincinnati Reds |
| 25 Aug 2018 | Round 00 | New York | 3 - 0 | Washington Nationals |
| 25 Aug 2018 | Round 00 | Toronto Blue | 8 - 6 | Philadelphia Phillies |
| 25 Aug 2018 | Round 00 | Tampa Bay | 5 - 1 | Boston Red |
| 25 Aug 2018 | Round 00 | Detroit Tigers | 1 - 6 | Chicago White |
| 25 Aug 2018 | Round 00 | Baltimore Orioles | 3 - 10 | New York |
| 25 Aug 2018 | Round 00 | Miami Marlins | 3 - 1 | Atlanta Braves |
| 26 Aug 2018 | Round 00 | Arizona Diamondbacks | 3 - 4 | Seattle Mariners |
| 26 Aug 2018 | Round 00 | Colorado Rockies | 9 - 1 | St. Louis |
| 26 Aug 2018 | Round 00 | Los Angeles | 3 - 8 | Houston Astros |
| 26 Aug 2018 | Round 00 | Los Angeles | 5 - 4 | San Diego |
| 26 Aug 2018 | Round 00 | Baltimore Orioles | - | New York |
| 26 Aug 2018 | Round 00 | Toronto Blue | 3 - 8 | Philadelphia Phillies |
| 26 Aug 2018 | Round 00 | Miami Marlins | - | Atlanta Braves |
| 26 Aug 2018 | Round 00 | Tampa Bay | 9 - 1 | Boston Red |
| 26 Aug 2018 | Round 00 | Detroit Tigers | 2 - 7 | Chicago White |
| 26 Aug 2018 | Round 00 | New York | - | Washington Nationals |
| 26 Aug 2018 | Round 00 | Minnesota Twins | 2 - 6 | Oakland Athletics |
| 26 Aug 2018 | Round 00 | Milwaukee Brewers | 7 - 4 | Pittsburgh Pirates |
| 26 Aug 2018 | Round 00 | Kansas City | 5 - 12 | Cleveland Indians |
| 26 Aug 2018 | Round 00 | Chicago Cubs | 9 - 0 | Cincinnati Reds |
| 26 Aug 2018 | Round 00 | San Francisco | 3 - 1 | Texas Rangers |
| 27 Aug 2018 | Round 00 | New York | 2 - 6 | Chicago White |
| 27 Aug 2018 | Round 00 | Baltimore Orioles | 7 - 0 | Toronto Blue |
| 27 Aug 2018 | Round 00 | Philadelphia Phillies | 3 - 5 | Washington Nationals |
| 27 Aug 2018 | Round 00 | Baltimore Orioles | 3 - 5 | New York |
| 28 Aug 2018 | Round 00 | Chicago Cubs | 7 - 4 | New York |
| 28 Aug 2018 | Round 00 | Houston Astros | 11 - 4 | Oakland Athletics |
| 28 Aug 2018 | Round 00 | Los Angeles | 10 - 7 | Colorado Rockies |
| 28 Aug 2018 | Round 00 | San Francisco | 2 - 0 | Arizona Diamondbacks |
| 28 Aug 2018 | Round 00 | New York | 5 - 4 | Chicago White |
| 28 Aug 2018 | Round 00 | Baltimore Orioles | 12 - 5 | Toronto Blue |
| 28 Aug 2018 | Round 00 | Philadelphia Phillies | 4 - 5 | Washington Nationals |
| 28 Aug 2018 | Round 00 | Boston Red | 8 - 7 | Miami Marlins |
| 28 Aug 2018 | Round 00 | Cincinnati Reds | 9 - 7 | Milwaukee Brewers |
| 28 Aug 2018 | Round 00 | Cleveland Indians | 8 - 1 | Minnesota Twins |
| 28 Aug 2018 | Round 00 | Atlanta Braves | 9 - 5 | Tampa Bay |
| 29 Aug 2018 | Round 00 | Texas Rangers | 4 - 8 | Los Angeles |
| 29 Aug 2018 | Round 00 | Chicago Cubs | 1 - 1 | New York |
| 29 Aug 2018 | Round 00 | Houston Astros | 3 - 4 | Oakland Athletics |
| 29 Aug 2018 | Round 00 | Kansas City | 6 - 2 | Detroit Tigers |
| 29 Aug 2018 | Round 00 | St. Louis | 5 - 2 | Pittsburgh Pirates |
| 29 Aug 2018 | Round 00 | Los Angeles | 2 - 3 | Colorado Rockies |
| 29 Aug 2018 | Round 00 | San Diego | 2 - 1 | Seattle Mariners |
| 29 Aug 2018 | Round 00 | San Francisco | 1 - 0 | Arizona Diamondbacks |
| 29 Aug 2018 | Round 00 | Boston Red | 14 - 6 | Miami Marlins |
| 29 Aug 2018 | Round 00 | New York | 1 - 4 | Chicago White |
| 29 Aug 2018 | Round 00 | Baltimore Orioles | 10 - 5 | Toronto Blue |
| 29 Aug 2018 | Round 00 | Philadelphia Phillies | 8 - 6 | Washington Nationals |
| 29 Aug 2018 | Round 00 | Cincinnati Reds | 12 - 13 | Milwaukee Brewers |
| 29 Aug 2018 | Round 00 | Cleveland Indians | 3 - 4 | Minnesota Twins |
| 29 Aug 2018 | Round 00 | Atlanta Braves | 5 - 8 | Tampa Bay |
| 30 Aug 2018 | Round 00 | Texas Rangers | 1 - 3 | Los Angeles |
| 30 Aug 2018 | Round 00 | St. Louis | 5 - 0 | Pittsburgh Pirates |
| 30 Aug 2018 | Round 00 | San Francisco | 1 - 3 | Arizona Diamondbacks |
| 30 Aug 2018 | Round 00 | Cincinnati Reds | 1 - 2 | Milwaukee Brewers |
| 30 Aug 2018 | Round 00 | Cleveland Indians | 5 - 3 | Minnesota Twins |
| 30 Aug 2018 | Round 00 | New York | 7 - 8 | Detroit Tigers |
| 30 Aug 2018 | Round 00 | Atlanta Braves | 4 - 5 | Chicago Cubs |
| 31 Aug 2018 | Round 00 | Chicago White | 4 - 9 | Boston Red |
| 31 Aug 2018 | Round 00 | Houston Astros | 2 - 5 | Los Angeles |
| 31 Aug 2018 | Round 00 | Oakland Athletics | 1 - 7 | Seattle Mariners |
| 31 Aug 2018 | Round 00 | Los Angeles | 1 - 3 | Arizona Diamondbacks |
| 31 Aug 2018 | Round 00 | San Diego | 3 - 2 | Colorado Rockies |
| 31 Aug 2018 | Round 00 | Philadelphia Phillies | 2 - 1 | Chicago Cubs |
| 31 Aug 2018 | Round 00 | New York | 7 - 5 | Detroit Tigers |
| 31 Aug 2018 | Round 00 | Washington Nationals | 1 - 4 | Milwaukee Brewers |
| 31 Aug 2018 | Round 00 | Cleveland Indians | 3 - 0 | Tampa Bay |
| 31 Aug 2018 | Round 00 | Miami Marlins | 5 - 6 | Toronto Blue |
| 31 Aug 2018 | Round 00 | Atlanta Braves | 2 - 3 | Pittsburgh Pirates |
| 01 Sep 2018 | Round 00 | Texas Rangers | 7 - 10 | Minnesota Twins |
| 01 Sep 2018 | Round 00 | Chicago White | 6 - 1 | Boston Red |
| 01 Sep 2018 | Round 00 | Houston Astros | 7 - 3 | Los Angeles |
| 01 Sep 2018 | Round 00 | Kansas City | 9 - 2 | Baltimore Orioles |
| 01 Sep 2018 | Round 00 | St. Louis | 12 - 5 | Cincinnati Reds |
| 01 Sep 2018 | Round 00 | Oakland Athletics | 7 - 5 | Seattle Mariners |
| 01 Sep 2018 | Round 00 | Los Angeles | 3 - 2 | Arizona Diamondbacks |
| 01 Sep 2018 | Round 00 | San Diego | 7 - 0 | Colorado Rockies |
| 01 Sep 2018 | Round 00 | San Francisco | 7 - 0 | New York |
| 01 Sep 2018 | Round 00 | New York | 2 - 1 | Detroit Tigers |
| 01 Sep 2018 | Round 00 | Philadelphia Phillies | 1 - 7 | Chicago Cubs |
| 01 Sep 2018 | Round 00 | Washington Nationals | 5 - 4 | Milwaukee Brewers |
| 01 Sep 2018 | Round 00 | Atlanta Braves | 5 - 3 | Pittsburgh Pirates |
| 01 Sep 2018 | Round 00 | Cleveland Indians | 3 - 5 | Tampa Bay |
| 01 Sep 2018 | Round 00 | Miami Marlins | 6 - 3 | Toronto Blue |
| 02 Sep 2018 | Round 00 | Texas Rangers | 7 - 4 | Minnesota Twins |
| 02 Sep 2018 | Round 00 | San Diego | 2 - 4 | Colorado Rockies |
| 02 Sep 2018 | Round 00 | Oakland Athletics | 7 - 8 | Seattle Mariners |
| 02 Sep 2018 | Round 00 | Los Angeles | 3 - 2 | Arizona Diamondbacks |
| 02 Sep 2018 | Round 00 | New York | 7 - 11 | Detroit Tigers |
| 02 Sep 2018 | Round 00 | Miami Marlins | 1 - 6 | Toronto Blue |
| 02 Sep 2018 | Round 00 | Philadelphia Phillies | 1 - 8 | Chicago Cubs |
| 02 Sep 2018 | Round 00 | Washington Nationals | 4 - 9 | Milwaukee Brewers |
| 02 Sep 2018 | Round 00 | Chicago White | 8 - 0 | Boston Red |
| 02 Sep 2018 | Round 00 | Houston Astros | - | Los Angeles |
| 02 Sep 2018 | Round 00 | Kansas City | 9 - 1 | Baltimore Orioles |
| 02 Sep 2018 | Round 00 | St. Louis | 4 - 6 | Cincinnati Reds |
| 02 Sep 2018 | Round 00 | San Francisco | 1 - 4 | New York |
| 02 Sep 2018 | Round 00 | Cleveland Indians | 4 - 6 | Tampa Bay |
| 02 Sep 2018 | Round 00 | Atlanta Braves | 5 - 1 | Pittsburgh Pirates |
| 03 Sep 2018 | Round 00 | Washington Nationals | 4 - 3 | St. Louis |
| 03 Sep 2018 | Round 00 | Miami Marlins | 3 - 1 | Philadelphia Phillies |
| 03 Sep 2018 | Round 00 | Atlanta Braves | 2 - 8 | Boston Red |
| 03 Sep 2018 | Round 00 | Pittsburgh Pirates | 5 - 1 | Cincinnati Reds |
| 03 Sep 2018 | Round 00 | Milwaukee Brewers | 4 - 3 | Chicago Cubs |
| 03 Sep 2018 | Round 00 | Chicago White | 4 - 2 | Detroit Tigers |
| 03 Sep 2018 | Round 00 | Houston Astros | 4 - 1 | Minnesota Twins |
| 03 Sep 2018 | Round 00 | Colorado Rockies | 9 - 8 | San Francisco |
| 03 Sep 2018 | Round 00 | Oakland Athletics | 6 - 3 | New York |
| 03 Sep 2018 | Round 00 | Cleveland Indians | 1 - 5 | Kansas City |
| 03 Sep 2018 | Round 00 | Toronto Blue | 1 - 7 | Tampa Bay |
| 03 Sep 2018 | Round 00 | Houston Astros | 4 - 2 | Los Angeles |
| 04 Sep 2018 | Round 00 | Texas Rangers | 1 - 3 | Los Angeles |
| 04 Sep 2018 | Round 00 | Los Angeles | 2 - 4 | New York |
| 04 Sep 2018 | Round 00 | Arizona Diamondbacks | 2 - 6 | San Diego |
| 04 Sep 2018 | Round 00 | Seattle Mariners | 2 - 1 | Baltimore Orioles |
| 04 Sep 2018 | Round 00 | Pittsburgh Pirates | 7 - 3 | Cincinnati Reds |
| 04 Sep 2018 | Round 00 | Washington Nationals | 8 - 11 | St. Louis |
| 04 Sep 2018 | Round 00 | Toronto Blue | - | Tampa Bay |
| 04 Sep 2018 | Round 00 | Cleveland Indians | 9 - 3 | Kansas City |
| 04 Sep 2018 | Round 00 | Miami Marlins | 4 - 9 | Philadelphia Phillies |
| 04 Sep 2018 | Round 00 | Atlanta Braves | 1 - 5 | Boston Red |
| 05 Sep 2018 | Round 00 | Texas Rangers | 4 - 2 | Los Angeles |
| 05 Sep 2018 | Round 00 | Milwaukee Brewers | 11 - 1 | Chicago Cubs |
| 05 Sep 2018 | Round 00 | Chicago White | 3 - 8 | Detroit Tigers |
| 05 Sep 2018 | Round 00 | Houston Astros | 5 - 2 | Minnesota Twins |
| 05 Sep 2018 | Round 00 | Colorado Rockies | 6 - 2 | San Francisco |
| 05 Sep 2018 | Round 00 | Arizona Diamondbacks | 6 - 0 | San Diego |
| 05 Sep 2018 | Round 00 | Oakland Athletics | 1 - 5 | New York |
| 05 Sep 2018 | Round 00 | Seattle Mariners | 3 - 5 | Baltimore Orioles |
| 05 Sep 2018 | Round 00 | Los Angeles | 11 - 4 | New York |
| 05 Sep 2018 | Round 00 | Atlanta Braves | 8 - 9 | Boston Red |
| 05 Sep 2018 | Round 00 | Cleveland Indians | 3 - 1 | Kansas City |
| 05 Sep 2018 | Round 00 | Pittsburgh Pirates | 3 - 2 | Cincinnati Reds |
| 05 Sep 2018 | Round 00 | Washington Nationals | 6 - 7 | St. Louis |
| 05 Sep 2018 | Round 00 | Toronto Blue | 10 - 3 | Tampa Bay |
| 05 Sep 2018 | Round 00 | Miami Marlins | 2 - 1 | Philadelphia Phillies |
| 06 Sep 2018 | Round 00 | Texas Rangers | 3 - 9 | Los Angeles |
| 06 Sep 2018 | Round 00 | Milwaukee Brewers | 4 - 6 | Chicago Cubs |
| 06 Sep 2018 | Round 00 | Chicago White | 2 - 10 | Detroit Tigers |
| 06 Sep 2018 | Round 00 | Houston Astros | 9 - 1 | Minnesota Twins |
| 06 Sep 2018 | Round 00 | Colorado Rockies | 5 - 3 | San Francisco |
| 06 Sep 2018 | Round 00 | Oakland Athletics | 8 - 2 | New York |
| 06 Sep 2018 | Round 00 | Seattle Mariners | 5 - 2 | Baltimore Orioles |
| 06 Sep 2018 | Round 00 | Cincinnati Reds | 2 - 6 | San Diego |
| 06 Sep 2018 | Round 00 | Washington Nationals | 4 - 6 | Chicago Cubs |
| 06 Sep 2018 | Round 00 | Toronto Blue | 4 - 9 | Cleveland Indians |
| 07 Sep 2018 | Round 00 | Arizona Diamondbacks | 6 - 7 | Atlanta Braves |
| 07 Sep 2018 | Round 00 | Cincinnati Reds | 12 - 6 | San Diego |
| 07 Sep 2018 | Round 00 | Washington Nationals | - | Chicago Cubs |
| 07 Sep 2018 | Round 00 | Pittsburgh Pirates | 5 - 3 | Miami Marlins |
| 07 Sep 2018 | Round 00 | Toronto Blue | 3 - 2 | Cleveland Indians |
| 07 Sep 2018 | Round 00 | Tampa Bay | 14 - 2 | Baltimore Orioles |
| 07 Sep 2018 | Round 00 | Boston Red | 3 - 6 | Houston Astros |
| 07 Sep 2018 | Round 00 | New York | 3 - 4 | Philadelphia Phillies |
| 07 Sep 2018 | Round 00 | Detroit Tigers | 5 - 3 | St. Louis |
| 08 Sep 2018 | Round 00 | Minnesota Twins | 10 - 6 | Kansas City |
| 08 Sep 2018 | Round 00 | Chicago White | 2 - 5 | Los Angeles |
| 08 Sep 2018 | Round 00 | Milwaukee Brewers | 4 - 2 | San Francisco |
| 08 Sep 2018 | Round 00 | Colorado Rockies | 2 - 4 | Los Angeles |
| 08 Sep 2018 | Round 00 | Arizona Diamondbacks | 5 - 3 | Atlanta Braves |
| 08 Sep 2018 | Round 00 | Oakland Athletics | 8 - 4 | Texas Rangers |
| 08 Sep 2018 | Round 00 | Seattle Mariners | - | New York |
| 08 Sep 2018 | Round 00 | Boston Red | 3 - 5 | Houston Astros |
| 08 Sep 2018 | Round 00 | Toronto Blue | 8 - 9 | Cleveland Indians |
| 08 Sep 2018 | Round 00 | Cincinnati Reds | 7 - 2 | San Diego |
| 08 Sep 2018 | Round 00 | Tampa Bay | 10 - 5 | Baltimore Orioles |
| 08 Sep 2018 | Round 00 | Detroit Tigers | 4 - 3 | St. Louis |
| 08 Sep 2018 | Round 00 | Washington Nationals | 10 - 3 | Chicago Cubs |
| 08 Sep 2018 | Round 00 | Pittsburgh Pirates | 5 - 1 | Miami Marlins |
| 08 Sep 2018 | Round 00 | New York | 10 - 5 | Philadelphia Phillies |
| 09 Sep 2018 | Round 00 | Arizona Diamondbacks | 4 - 5 | Atlanta Braves |
| 09 Sep 2018 | Round 00 | Colorado Rockies | 4 - 2 | Los Angeles |
| 09 Sep 2018 | Round 00 | Seattle Mariners | 2 - 4 | New York |
| 09 Sep 2018 | Round 00 | Boston Red | - | Houston Astros |
| 09 Sep 2018 | Round 00 | Toronto Blue | 6 - 2 | Cleveland Indians |
| 09 Sep 2018 | Round 00 | Tampa Bay | 8 - 3 | Baltimore Orioles |
| 09 Sep 2018 | Round 00 | New York | 6 - 4 | Philadelphia Phillies |
| 09 Sep 2018 | Round 00 | Cincinnati Reds | 6 - 7 | San Diego |
| 09 Sep 2018 | Round 00 | Detroit Tigers | 2 - 5 | St. Louis |
| 09 Sep 2018 | Round 00 | Washington Nationals | - | Chicago Cubs |
| 09 Sep 2018 | Round 00 | Pittsburgh Pirates | - | Miami Marlins |
| 09 Sep 2018 | Round 00 | Minnesota Twins | 3 - 1 | Kansas City |
| 09 Sep 2018 | Round 00 | Chicago White | - | Los Angeles |
| 09 Sep 2018 | Round 00 | Milwaukee Brewers | 6 - 3 | San Francisco |
| 09 Sep 2018 | Round 00 | Oakland Athletics | 7 - 3 | Texas Rangers |
| 10 Sep 2018 | Round 00 | Boston Red | 6 - 5 | Houston Astros |
| 10 Sep 2018 | Round 00 | Detroit Tigers | 2 - 3 | Houston Astros |
| 10 Sep 2018 | Round 00 | Cincinnati Reds | 10 - 6 | Los Angeles |
| 10 Sep 2018 | Round 00 | Philadelphia Phillies | - | Washington Nationals |
| 10 Sep 2018 | Round 00 | Tampa Bay | 6 - 5 | Cleveland Indians |
| 10 Sep 2018 | Round 00 | New York | - | Miami Marlins |
| 11 Sep 2018 | Round 00 | Chicago Cubs | 2 - 3 | Milwaukee Brewers |
| 11 Sep 2018 | Round 00 | Minnesota Twins | 2 - 7 | New York |
| 11 Sep 2018 | Round 00 | Kansas City | 4 - 3 | Chicago White |
| 11 Sep 2018 | Round 00 | St. Louis | 8 - 7 | Pittsburgh Pirates |
| 11 Sep 2018 | Round 00 | Colorado Rockies | 13 - 2 | Arizona Diamondbacks |
| 11 Sep 2018 | Round 00 | Los Angeles | 2 - 5 | Texas Rangers |
| 11 Sep 2018 | Round 00 | San Francisco | 1 - 4 | Atlanta Braves |
| 11 Sep 2018 | Round 00 | Detroit Tigers | 4 - 5 | Houston Astros |
| 11 Sep 2018 | Round 00 | Cincinnati Reds | 3 - 1 | Los Angeles |
| 11 Sep 2018 | Round 00 | Baltimore Orioles | 2 - 3 | Oakland Athletics |
| 11 Sep 2018 | Round 00 | Philadelphia Phillies | 1 - 3 | Washington Nationals |
| 11 Sep 2018 | Round 00 | Tampa Bay | - | Cleveland Indians |
| 11 Sep 2018 | Round 00 | New York | 3 - 5 | Miami Marlins |
| 11 Sep 2018 | Round 00 | Boston Red | 7 - 2 | Toronto Blue |
| 12 Sep 2018 | Round 00 | Chicago Cubs | 3 - 0 | Milwaukee Brewers |
| 12 Sep 2018 | Round 00 | Minnesota Twins | 10 - 5 | New York |
| 12 Sep 2018 | Round 00 | Kansas City | 6 - 3 | Chicago White |
| 12 Sep 2018 | Round 00 | St. Louis | 11 - 5 | Pittsburgh Pirates |
| 12 Sep 2018 | Round 00 | Colorado Rockies | 3 - 6 | Arizona Diamondbacks |
| 12 Sep 2018 | Round 00 | Los Angeles | 1 - 0 | Texas Rangers |
| 12 Sep 2018 | Round 00 | Seattle Mariners | 1 - 2 | San Diego |
| 12 Sep 2018 | Round 00 | San Francisco | 1 - 4 | Atlanta Braves |
| 12 Sep 2018 | Round 00 | Cincinnati Reds | 1 - 8 | Los Angeles |
| 12 Sep 2018 | Round 00 | Tampa Bay | 3 - 1 | Cleveland Indians |
| 12 Sep 2018 | Round 00 | Detroit Tigers | 4 - 5 | Houston Astros |
| 12 Sep 2018 | Round 00 | Baltimore Orioles | - | Oakland Athletics |
| 12 Sep 2018 | Round 00 | Philadelphia Phillies | 1 - 5 | Washington Nationals |
| 12 Sep 2018 | Round 00 | New York | 13 - 0 | Miami Marlins |
| 12 Sep 2018 | Round 00 | Boston Red | 1 - 0 | Toronto Blue |
| 13 Sep 2018 | Round 00 | Washington Nationals | 3 - 4 | Chicago Cubs |
| 13 Sep 2018 | Round 00 | Chicago Cubs | 1 - 5 | Milwaukee Brewers |
| 13 Sep 2018 | Round 00 | Minnesota Twins | 3 - 1 | New York |
| 13 Sep 2018 | Round 00 | Kansas City | 2 - 4 | Chicago White |
| 13 Sep 2018 | Round 00 | Colorado Rockies | 5 - 4 | Arizona Diamondbacks |
| 13 Sep 2018 | Round 00 | Los Angeles | 8 - 1 | Texas Rangers |
| 13 Sep 2018 | Round 00 | Baltimore Orioles | 5 - 3 | Oakland Athletics |
| 13 Sep 2018 | Round 00 | New York | 4 - 3 | Miami Marlins |
| 13 Sep 2018 | Round 00 | Boston Red | 4 - 3 | Toronto Blue |
| 13 Sep 2018 | Round 00 | St. Louis | 7 - 9 | Los Angeles |
| 14 Sep 2018 | Round 00 | Kansas City | 6 - 4 | Minnesota Twins |
| 14 Sep 2018 | Round 00 | Los Angeles | 2 - 8 | Seattle Mariners |
| 14 Sep 2018 | Round 00 | Chicago Cubs | - | Cincinnati Reds |
| 14 Sep 2018 | Round 00 | Baltimore Orioles | 6 - 8 | Chicago White |
| 14 Sep 2018 | Round 00 | Philadelphia Phillies | 14 - 2 | Miami Marlins |
| 14 Sep 2018 | Round 00 | New York | 11 - 0 | Toronto Blue |
| 14 Sep 2018 | Round 00 | Cleveland Indians | 4 - 5 | Detroit Tigers |
| 14 Sep 2018 | Round 00 | Boston Red | - | New York |
| 14 Sep 2018 | Round 00 | Tampa Bay | 1 - 2 | Oakland Athletics |
| 14 Sep 2018 | Round 00 | Atlanta Braves | 10 - 5 | Washington Nationals |
| 15 Sep 2018 | Round 00 | New York | 7 - 8 | Toronto Blue |
| 15 Sep 2018 | Round 00 | Tampa Bay | 7 - 5 | Oakland Athletics |
| 15 Sep 2018 | Round 00 | Baltimore Orioles | - | Chicago White |
| 15 Sep 2018 | Round 00 | Philadelphia Phillies | 5 - 4 | Miami Marlins |
| 15 Sep 2018 | Round 00 | Atlanta Braves | 1 - 7 | Washington Nationals |
| 15 Sep 2018 | Round 00 | Houston Astros | 2 - 4 | Arizona Diamondbacks |
| 15 Sep 2018 | Round 00 | Milwaukee Brewers | 7 - 4 | Pittsburgh Pirates |
| 15 Sep 2018 | Round 00 | St. Louis | 4 - 17 | Los Angeles |
| 15 Sep 2018 | Round 00 | Kansas City | 8 - 4 | Minnesota Twins |
| 15 Sep 2018 | Round 00 | Los Angeles | - | Seattle Mariners |
| 15 Sep 2018 | Round 00 | San Diego | - | Texas Rangers |
| 15 Sep 2018 | Round 00 | San Francisco | 2 - 0 | Colorado Rockies |
| 15 Sep 2018 | Round 00 | Cleveland Indians | 15 - 0 | Detroit Tigers |
| 15 Sep 2018 | Round 00 | Chicago Cubs | 3 - 2 | Cincinnati Reds |
| 15 Sep 2018 | Round 00 | Boston Red | 5 - 3 | New York |
| 16 Sep 2018 | Round 00 | San Diego | 3 - 6 | Texas Rangers |
| 16 Sep 2018 | Round 00 | San Francisco | 3 - 0 | Colorado Rockies |
| 16 Sep 2018 | Round 00 | Los Angeles | 5 - 6 | Seattle Mariners |
| 16 Sep 2018 | Round 00 | Boston Red | 4 - 3 | New York |
| 16 Sep 2018 | Round 00 | Baltimore Orioles | 8 - 4 | Chicago White |
| 16 Sep 2018 | Round 00 | New York | 2 - 3 | Toronto Blue |
| 16 Sep 2018 | Round 00 | Cleveland Indians | 4 - 6 | Detroit Tigers |
| 16 Sep 2018 | Round 00 | Tampa Bay | 5 - 4 | Oakland Athletics |
| 16 Sep 2018 | Round 00 | Philadelphia Phillies | 4 - 6 | Miami Marlins |
| 16 Sep 2018 | Round 00 | Atlanta Braves | 4 - 6 | Washington Nationals |
| 16 Sep 2018 | Round 00 | Houston Astros | 5 - 4 | Arizona Diamondbacks |
| 16 Sep 2018 | Round 00 | Milwaukee Brewers | 2 - 3 | Pittsburgh Pirates |
| 16 Sep 2018 | Round 00 | St. Louis | - | Los Angeles |
| 16 Sep 2018 | Round 00 | Kansas City | 6 - 9 | Minnesota Twins |
| 16 Sep 2018 | Round 00 | Chicago Cubs | 1 - 2 | Cincinnati Reds |
| 17 Sep 2018 | Round 00 | Pittsburgh Pirates | 7 - 6 | Kansas City |
| 17 Sep 2018 | Round 00 | Philadelphia Phillies | 4 - 9 | New York |
| 17 Sep 2018 | Round 00 | Baltimore Orioles | - | Toronto Blue |
| 17 Sep 2018 | Round 00 | Detroit Tigers | 1 - 6 | Minnesota Twins |
| 17 Sep 2018 | Round 00 | Miami Marlins | 8 - 5 | Washington Nationals |
| 17 Sep 2018 | Round 00 | Atlanta Braves | 6 - 11 | St. Louis |
| 17 Sep 2018 | Round 00 | Milwaukee Brewers | 8 - 0 | Cincinnati Reds |
| 18 Sep 2018 | Round 00 | Texas Rangers | - | Tampa Bay |
| 18 Sep 2018 | Round 00 | Houston Astros | 1 - 4 | Seattle Mariners |
| 18 Sep 2018 | Round 00 | Arizona Diamondbacks | 1 - 5 | Chicago Cubs |
| 18 Sep 2018 | Round 00 | Los Angeles | 8 - 2 | Colorado Rockies |
| 18 Sep 2018 | Round 00 | San Diego | 2 - 4 | San Francisco |
| 18 Sep 2018 | Round 00 | New York | 3 - 2 | Boston Red |
| 18 Sep 2018 | Round 00 | Pittsburgh Pirates | 2 - 1 | Kansas City |
| 18 Sep 2018 | Round 00 | Philadelphia Phillies | 5 - 2 | New York |
| 18 Sep 2018 | Round 00 | Baltimore Orioles | 4 - 6 | Toronto Blue |
| 18 Sep 2018 | Round 00 | Cleveland Indians | 5 - 3 | Chicago White |
| 18 Sep 2018 | Round 00 | Detroit Tigers | 3 - 5 | Minnesota Twins |
| 18 Sep 2018 | Round 00 | Miami Marlins | 2 - 4 | Washington Nationals |
| 18 Sep 2018 | Round 00 | Atlanta Braves | 1 - 8 | St. Louis |
| 18 Sep 2018 | Round 00 | Milwaukee Brewers | 1 - 3 | Cincinnati Reds |
| 19 Sep 2018 | Round 00 | Texas Rangers | 3 - 9 | Tampa Bay |
| 19 Sep 2018 | Round 00 | Houston Astros | 7 - 0 | Seattle Mariners |
| 19 Sep 2018 | Round 00 | Arizona Diamondbacks | 1 - 9 | Chicago Cubs |
| 19 Sep 2018 | Round 00 | Oakland Athletics | 7 - 9 | Los Angeles |
| 19 Sep 2018 | Round 00 | Los Angeles | 3 - 2 | Colorado Rockies |
| 19 Sep 2018 | Round 00 | San Diego | 4 - 5 | San Francisco |
| 19 Sep 2018 | Round 00 | Atlanta Braves | 7 - 3 | St. Louis |
| 19 Sep 2018 | Round 00 | Detroit Tigers | 2 - 8 | Minnesota Twins |
| 19 Sep 2018 | Round 00 | Philadelphia Phillies | 4 - 0 | New York |
| 19 Sep 2018 | Round 00 | New York | 10 - 1 | Boston Red |
| 19 Sep 2018 | Round 00 | Pittsburgh Pirates | 2 - 1 | Kansas City |
| 19 Sep 2018 | Round 00 | Baltimore Orioles | 2 - 1 | Toronto Blue |
| 19 Sep 2018 | Round 00 | Cleveland Indians | 4 - 1 | Chicago White |
| 19 Sep 2018 | Round 00 | Milwaukee Brewers | 7 - 0 | Cincinnati Reds |
| 20 Sep 2018 | Round 00 | Houston Astros | - | Seattle Mariners |
| 20 Sep 2018 | Round 00 | San Diego | 8 - 4 | San Francisco |
| 20 Sep 2018 | Round 00 | Arizona Diamondbacks | 9 - 0 | Chicago Cubs |
| 20 Sep 2018 | Round 00 | Oakland Athletics | 10 - 0 | Los Angeles |
| 20 Sep 2018 | Round 00 | Los Angeles | 5 - 2 | Colorado Rockies |
| 20 Sep 2018 | Round 00 | New York | 6 - 11 | Boston Red |
| 20 Sep 2018 | Round 00 | Washington Nationals | 4 - 5 | New York |
| 20 Sep 2018 | Round 00 | Toronto Blue | 9 - 8 | Tampa Bay |
| 20 Sep 2018 | Round 00 | Cleveland Indians | 4 - 5 | Chicago White |
| 20 Sep 2018 | Round 00 | Miami Marlins | 2 - 4 | Cincinnati Reds |
| 20 Sep 2018 | Round 00 | Detroit Tigers | 11 - 8 | Kansas City |
| 20 Sep 2018 | Round 00 | Atlanta Braves | 8 - 3 | Philadelphia Phillies |
| 21 Sep 2018 | Round 00 | Chicago White | 10 - 4 | Chicago Cubs |
| 21 Sep 2018 | Round 00 | New York | 10 - 8 | Baltimore Orioles |
| 21 Sep 2018 | Round 00 | Pittsburgh Pirates | 3 - 8 | Milwaukee Brewers |
| 21 Sep 2018 | Round 00 | Washington Nationals | 2 - 4 | New York |
| 21 Sep 2018 | Round 00 | Toronto Blue | 3 - 11 | Tampa Bay |
| 21 Sep 2018 | Round 00 | Cleveland Indians | 5 - 7 | Boston Red |
| 21 Sep 2018 | Round 00 | Miami Marlins | 1 - 0 | Cincinnati Reds |
| 21 Sep 2018 | Round 00 | Detroit Tigers | 3 - 4 | Kansas City |
| 21 Sep 2018 | Round 00 | Atlanta Braves | 6 - 5 | Philadelphia Phillies |
| 22 Sep 2018 | Round 00 | Texas Rangers | 8 - 3 | Seattle Mariners |
| 22 Sep 2018 | Round 00 | Houston Astros | 11 - 3 | Los Angeles |
| 22 Sep 2018 | Round 00 | St. Louis | 5 - 3 | San Francisco |
| 22 Sep 2018 | Round 00 | Arizona Diamondbacks | 2 - 6 | Colorado Rockies |
| 22 Sep 2018 | Round 00 | Oakland Athletics | 7 - 6 | Minnesota Twins |
| 22 Sep 2018 | Round 00 | Los Angeles | 3 - 5 | San Diego |
| 22 Sep 2018 | Round 00 | New York | 3 - 2 | Baltimore Orioles |
| 22 Sep 2018 | Round 00 | Washington Nationals | 6 - 0 | New York |
| 22 Sep 2018 | Round 00 | Toronto Blue | 5 - 2 | Tampa Bay |
| 22 Sep 2018 | Round 00 | Detroit Tigers | 5 - 4 | Kansas City |
| 22 Sep 2018 | Round 00 | Pittsburgh Pirates | 3 - 0 | Milwaukee Brewers |
| 22 Sep 2018 | Round 00 | Cleveland Indians | 5 - 4 | Boston Red |
| 22 Sep 2018 | Round 00 | Chicago White | 3 - 8 | Chicago Cubs |
| 22 Sep 2018 | Round 00 | Miami Marlins | 5 - 1 | Cincinnati Reds |
| 22 Sep 2018 | Round 00 | Atlanta Braves | 5 - 3 | Philadelphia Phillies |
| 23 Sep 2018 | Round 00 | Texas Rangers | 6 - 1 | Seattle Mariners |
| 23 Sep 2018 | Round 00 | Arizona Diamondbacks | 1 - 5 | Colorado Rockies |
| 23 Sep 2018 | Round 00 | Oakland Athletics | 3 - 2 | Minnesota Twins |
| 23 Sep 2018 | Round 00 | Los Angeles | 7 - 2 | San Diego |
| 23 Sep 2018 | Round 00 | New York | 3 - 6 | Baltimore Orioles |
| 23 Sep 2018 | Round 00 | Toronto Blue | 2 - 5 | Tampa Bay |
| 23 Sep 2018 | Round 00 | Cleveland Indians | 4 - 3 | Boston Red |
| 23 Sep 2018 | Round 00 | Miami Marlins | 6 - 0 | Cincinnati Reds |
| 23 Sep 2018 | Round 00 | Detroit Tigers | 2 - 3 | Kansas City |
| 23 Sep 2018 | Round 00 | Pittsburgh Pirates | 6 - 13 | Milwaukee Brewers |
| 23 Sep 2018 | Round 00 | Washington Nationals | 6 - 8 | New York |
| 23 Sep 2018 | Round 00 | Atlanta Braves | 2 - 1 | Philadelphia Phillies |
| 23 Sep 2018 | Round 00 | Chicago White | 1 - 6 | Chicago Cubs |
| 23 Sep 2018 | Round 00 | Houston Astros | 6 - 2 | Los Angeles |
| 23 Sep 2018 | Round 00 | St. Louis | 9 - 2 | San Francisco |
| 24 Sep 2018 | Round 00 | Washington Nationals | 7 - 3 | Miami Marlins |
| 24 Sep 2018 | Round 00 | Toronto Blue | 3 - 5 | Houston Astros |
| 24 Sep 2018 | Round 00 | Boston Red | 6 - 2 | Baltimore Orioles |
| 24 Sep 2018 | Round 00 | Tampa Bay | 1 - 4 | New York |
| 25 Sep 2018 | Round 00 | Chicago Cubs | 1 - 5 | Pittsburgh Pirates |
| 25 Sep 2018 | Round 00 | Chicago White | - | Cleveland Indians |
| 25 Sep 2018 | Round 00 | St. Louis | 4 - 6 | Milwaukee Brewers |
| 25 Sep 2018 | Round 00 | Colorado Rockies | 10 - 1 | Philadelphia Phillies |
| 25 Sep 2018 | Round 00 | Arizona Diamondbacks | 4 - 7 | Los Angeles |
| 25 Sep 2018 | Round 00 | Los Angeles | 5 - 4 | Texas Rangers |
| 25 Sep 2018 | Round 00 | Seattle Mariners | 3 - 7 | Oakland Athletics |
| 25 Sep 2018 | Round 00 | San Francisco | - | San Diego |
| 25 Sep 2018 | Round 00 | Cincinnati Reds | 3 - 4 | Kansas City |
| 25 Sep 2018 | Round 00 | Washington Nationals | 9 - 4 | Miami Marlins |
| 25 Sep 2018 | Round 00 | Toronto Blue | 1 - 4 | Houston Astros |
| 25 Sep 2018 | Round 00 | New York | 3 - 7 | Atlanta Braves |
| 25 Sep 2018 | Round 00 | Boston Red | - | Baltimore Orioles |
| 25 Sep 2018 | Round 00 | Tampa Bay | 2 - 9 | New York |
| 26 Sep 2018 | Round 00 | Chicago Cubs | - | Pittsburgh Pirates |
| 26 Sep 2018 | Round 00 | Chicago White | 5 - 4 | Cleveland Indians |
| 26 Sep 2018 | Round 00 | Minnesota Twins | 2 - 4 | Detroit Tigers |
| 26 Sep 2018 | Round 00 | St. Louis | 4 - 12 | Milwaukee Brewers |
| 26 Sep 2018 | Round 00 | Colorado Rockies | 10 - 3 | Philadelphia Phillies |
| 26 Sep 2018 | Round 00 | Arizona Diamondbacks | 4 - 3 | Los Angeles |
| 26 Sep 2018 | Round 00 | Los Angeles | 4 - 1 | Texas Rangers |
| 26 Sep 2018 | Round 00 | Seattle Mariners | 10 - 8 | Oakland Athletics |
| 26 Sep 2018 | Round 00 | San Francisco | 5 - 4 | San Diego |
| 26 Sep 2018 | Round 00 | Washington Nationals | 9 - 3 | Miami Marlins |
| 26 Sep 2018 | Round 00 | Toronto Blue | 3 - 1 | Houston Astros |
| 26 Sep 2018 | Round 00 | Cincinnati Reds | 1 - 6 | Kansas City |
| 26 Sep 2018 | Round 00 | New York | 3 - 0 | Atlanta Braves |
| 26 Sep 2018 | Round 00 | Boston Red | 19 - 3 | Baltimore Orioles |
| 26 Sep 2018 | Round 00 | Tampa Bay | 8 - 7 | New York |
| 27 Sep 2018 | Round 00 | Chicago Cubs | 7 - 6 | Pittsburgh Pirates |
| 27 Sep 2018 | Round 00 | Chicago White | 2 - 10 | Cleveland Indians |
| 27 Sep 2018 | Round 00 | Minnesota Twins | 11 - 4 | Detroit Tigers |
| 27 Sep 2018 | Round 00 | Colorado Rockies | 14 - 0 | Philadelphia Phillies |
| 27 Sep 2018 | Round 00 | Arizona Diamondbacks | 7 - 2 | Los Angeles |
| 27 Sep 2018 | Round 00 | Los Angeles | 3 - 2 | Texas Rangers |
| 27 Sep 2018 | Round 00 | Seattle Mariners | 3 - 9 | Oakland Athletics |
| 27 Sep 2018 | Round 00 | San Francisco | 2 - 3 | San Diego |
| 27 Sep 2018 | Round 00 | Tampa Bay | 1 - 12 | New York |
| 27 Sep 2018 | Round 00 | Baltimore Orioles | - | Houston Astros |
| 27 Sep 2018 | Round 00 | New York | 4 - 1 | Atlanta Braves |
| 28 Sep 2018 | Round 00 | Minnesota Twins | 2 - 1 | Chicago White |
| 28 Sep 2018 | Round 00 | Chicago Cubs | 3 - 0 | Pittsburgh Pirates |
| 28 Sep 2018 | Round 00 | Minnesota Twins | 9 - 3 | Detroit Tigers |
| 28 Sep 2018 | Round 00 | Kansas City | 2 - 1 | Cleveland Indians |
| 28 Sep 2018 | Round 00 | Seattle Mariners | - | Texas Rangers |
| 28 Sep 2018 | Round 00 | Chicago Cubs | 8 - 4 | St. Louis |
| 28 Sep 2018 | Round 00 | Cincinnati Reds | 4 - 8 | Pittsburgh Pirates |
| 28 Sep 2018 | Round 00 | Philadelphia Phillies | 2 - 10 | Atlanta Braves |
| 28 Sep 2018 | Round 00 | Baltimore Orioles | 1 - 2 | Houston Astros |
| 28 Sep 2018 | Round 00 | New York | 1 - 8 | Miami Marlins |
| 28 Sep 2018 | Round 00 | Boston Red | 6 - 11 | New York |
| 28 Sep 2018 | Round 00 | Tampa Bay | 6 - 7 | Toronto Blue |
| 29 Sep 2018 | Round 00 | Minnesota Twins | 12 - 4 | Chicago White |
| 29 Sep 2018 | Round 00 | Milwaukee Brewers | 6 - 5 | Detroit Tigers |
| 29 Sep 2018 | Round 00 | Colorado Rockies | 5 - 2 | Washington Nationals |
| 29 Sep 2018 | Round 00 | Kansas City | 6 - 14 | Cleveland Indians |
| 29 Sep 2018 | Round 00 | Los Angeles | 8 - 5 | Oakland Athletics |
| 29 Sep 2018 | Round 00 | San Diego | 2 - 2 | Arizona Diamondbacks |
| 29 Sep 2018 | Round 00 | Seattle Mariners | 12 - 6 | Texas Rangers |
| 29 Sep 2018 | Round 00 | San Francisco | 1 - 3 | Los Angeles |
| 29 Sep 2018 | Round 00 | Boston Red | 5 - 8 | New York |
| 29 Sep 2018 | Round 00 | Chicago Cubs | 1 - 2 | St. Louis |
| 29 Sep 2018 | Round 00 | Cincinnati Reds | 3 - 0 | Pittsburgh Pirates |
| 29 Sep 2018 | Round 00 | Tampa Bay | 4 - 3 | Toronto Blue |
| 29 Sep 2018 | Round 00 | Philadelphia Phillies | 3 - 0 | Atlanta Braves |
| 29 Sep 2018 | Round 00 | Baltimore Orioles | 3 - 4 | Houston Astros |
| 29 Sep 2018 | Round 00 | New York | 1 - 0 | Miami Marlins |
| 30 Sep 2018 | Round 00 | Colorado Rockies | 2 - 12 | Washington Nationals |
| 30 Sep 2018 | Round 00 | San Diego | 4 - 5 | Arizona Diamondbacks |
| 30 Sep 2018 | Round 00 | Los Angeles | 2 - 5 | Oakland Athletics |
| 30 Sep 2018 | Round 00 | Seattle Mariners | 4 - 1 | Texas Rangers |
| 30 Sep 2018 | Round 00 | Philadelphia Phillies | 3 - 1 | Atlanta Braves |
| 30 Sep 2018 | Round 00 | Baltimore Orioles | 4 - 0 | Houston Astros |
| 30 Sep 2018 | Round 00 | San Francisco | - | Los Angeles |
| 30 Sep 2018 | Round 00 | Boston Red | 10 - 2 | New York |
| 30 Sep 2018 | Round 00 | Minnesota Twins | 5 - 4 | Chicago White |
| 30 Sep 2018 | Round 00 | Milwaukee Brewers | 11 - 0 | Detroit Tigers |
| 30 Sep 2018 | Round 00 | New York | 1 - 0 | Miami Marlins |
| 30 Sep 2018 | Round 00 | Cincinnati Reds | 5 - 6 | Pittsburgh Pirates |
| 30 Sep 2018 | Round 00 | Tampa Bay | 9 - 4 | Toronto Blue |
| 30 Sep 2018 | Round 00 | Kansas City | 1 - 2 | Cleveland Indians |
| 30 Sep 2018 | Round 00 | Chicago Cubs | 10 - 5 | St. Louis |
| 01 Oct 2018 | Round 00 | Chicago Cubs | 1 - 3 | Milwaukee Brewers |
| 01 Oct 2018 | Round 00 | Los Angeles | 5 - 2 | Colorado Rockies |
| 03 Oct 2018 | Round 01 | Chicago Cubs | 1 - 2 | Colorado Rockies |
| 04 Oct 2018 | Round 01 | New York | 7 - 2 | Oakland Athletics |
| 04 Oct 2018 | Round 02 | Milwaukee Brewers | 3 - 2 | Colorado Rockies |
| 05 Oct 2018 | Round 02 | Houston Astros | 7 - 2 | Cleveland Indians |
| 05 Oct 2018 | Round 02 | Boston Red | 5 - 4 | New York |
| 06 Oct 2018 | Round 02 | Houston Astros | 3 - 1 | Cleveland Indians |
| 07 Oct 2018 | Round 02 | Boston Red | 2 - 6 | New York |
| 08 Oct 2018 | Round 02 | Atlanta Braves | 6 - 5 | Los Angeles |
| 08 Oct 2018 | Round 02 | Cleveland Indians | 3 - 11 | Houston Astros |
| 08 Oct 2018 | Round 02 | New York | 1 - 16 | Boston Red |
| 10 Oct 2018 | Round 02 | New York | 3 - 4 | Boston Red |
| 13 Oct 2018 | Round 03 | Milwaukee Brewers | 6 - 5 | Los Angeles |
| 14 Oct 2018 | Round 03 | Boston Red | 2 - 7 | Houston Astros |
| 16 Oct 2018 | Round 00 | Houston Astros | 2 - 8 | Boston Red |
| 17 Oct 2018 | Round 00 | Los Angeles | 1 - 1 | Milwaukee Brewers |
| 18 Oct 2018 | Round 00 | Houston Astros | 6 - 8 | Boston Red |
| 19 Oct 2018 | Round 00 | Houston Astros | 1 - 4 | Boston Red |
| 20 Oct 2018 | Round 00 | Milwaukee Brewers | 7 - 2 | Los Angeles |
| 21 Oct 2018 | Round 00 | Milwaukee Brewers | 1 - 5 | Los Angeles |
| 24 Oct 2018 | Round 00 | Boston Red | 8 - 4 | Los Angeles |
| 25 Oct 2018 | Round 00 | Boston Red | 4 - 2 | Los Angeles |
| 27 Oct 2018 | Round 00 | Los Angeles | 2 - 2 | Boston Red |
| 28 Oct 2018 | Round 00 | Los Angeles | 6 - 9 | Boston Red |
| 29 Oct 2018 | Round 00 | Los Angeles | 1 - 5 | Boston Red |
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