however. The first pitcher to officially hit a home run was Jack Manning, who accomplished the feat on August 3, 1876. The most home runs by a pitcher in a single game is three, achieved by Jim Tobin on May 13, 1942. Career All-time Active Statistics obtained from MLB.com. Updated through August 28, 2022. Single-season Progression of the single-season record Single-game Notes References Bibliography Home runs, pitchers