Juan Mateo debuted on August 3, 2006, playing for the Chicago Cubs at Wrigley Field; he played his final game on September 30, 2006, playing for the Chicago Cubs at Wrigley Field.
Juan Mateo played in 11 games at pitcher for the Chicago Cubs in 2006, starting in 10 of them. He played for a total of 137 outs, equivalent to 5.07 9-inning games. He made no putouts, had 5 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Juan Abreu debuted on August 29, 2011 and played his final game on September 27, 2011.
Juan Acevedo debuted on April 30, 1995 and played his final game on August 5, 2003.
Juan Alvarez debuted on September 1, 1999 and played his final game on June 3, 2003.
Juan Bell debuted on September 6, 1989 and played his final game on August 25, 1995.
Juan Berenguer debuted on August 17, 1978 and played his final game on October 4, 1992.
Juan Bernhardt debuted on July 10, 1976 and played his final game on April 8, 1979.
Juan Bonilla debuted on April 9, 1981 and played his final game on October 3, 1987.
Juan Brito debuted on May 3, 2002 and played his final game on October 3, 2004.
Juan Castillo debuted on April 12, 1986 and played his final game on April 17, 1989.
Juan Castro debuted on September 2, 1995 and played his final game on June 4, 2011.
Juan Cerros debuted on September 8, 2003 and played his final game on September 28, 2003.