Joseph Cliff Gerber (born May 3, 1997) is an American professional baseball pitcher in the New York Yankees organization. He previously played in Major League Baseball (MLB) for the Seattle Mariners.
On August 4, 2020, Gerber made his MLB debut against the Los Angeles Angels, pitching one scoreless inning. He ended the 2020 season with a 1–1 record and a 4.02 ERA, striking out six batters over 15+2⁄3 innings. Gerber began the 2021 season on the injured list and underwent back surgery in July, forcing him to miss the whole year
Gerber signed with the New York Yankees on July 25, 2022. On August 3, he was assigned to the Florida Complex League Yankees, the Yankees minor league rookie level affiliate.