Adbert Marcelo Alzolay (AL-zo-lie; born March 1, 1995) is a Venezuelan professional baseball pitcher for the Chicago Cubs of Major League Baseball (MLB).
Alzolay signed with the Chicago Cubs as an international free agent in November 2012. He made his professional debut in 2013 with the Venezuelan Summer League Cubs and spent the whole season there, posting a 5-3 record and 1.07 ERA in 15 games. He pitched with the Arizona League Cubs and Boise Hawks in 2014, going a combined 2-5 with a 7.90 ERA in ten total games between both teams, the Eugene Emeralds in 2015 where he went 6-2 with a 2.04 ERA, and the South Bend Cubs in 2016, pitching to a 9-4 record and 4.34 ERA in 22 games (twenty starts).