A.J. Pierzynski A.J. Pierzynski Chicago White Sox - No. 12 Catcher Bats: Left Throws: Right MLB debut September 9, 1998 for the Minnesota Twins Selected MLB statistics (through 2005) Batting average .287 Runs batted in 327 Home runs 55 Former teams San Francisco Giants (2004) Minnesota Twins (1998-2003) Anthony John "A.J." Pierzynski (born December 30, 1976 in Bridgehampton, New York) is a Polish Catholic Major League Baseball catcher who has played for the Chicago White Sox since 2005. Pierzynski formerly played with the Minnesota Twins (1998-2003) and San Francisco Giants (2004).
Pierzynski is well-known for his often brash and disrespectful demeanor. Incidents with players and the media have earned Pierzynski the reputation of being among the more disliked players in the league. However, his forthrightness and strong desire to win have won the hearts of many White Sox fans.