Yogi Berra holds this record, appearing in 75 postseason games. In his 19 year career, Berra and the New York Yankees went to the postseason 14 times. Since Berra played during the years before divisional play, all of the games he appeared in were World Series games, meaning he also holds the record for most World Series games appeared in. Berra also has the record for most World Series at-bats with 259, and is third behind Mickey Mantle and Babe Ruth in World Series home runs, with 12.
