John Martin Kruk (born February 9, 1961) is an American former professional baseball first baseman and outfielder. Kruk played in Major League Baseball (MLB) for the San Diego Padres, Philadelphia Phillies, and Chicago White Sox from 1986 through 1995. During his career, he was a three-time MLB All-Star. After retiring as a player, Kruk became a baseball analyst for ESPN. He is now a color commentator for Phillies' games on NBC Sports Philadelphia.