Juan Nieves debuted on April 10, 1986, playing for the Milwaukee Brewers at County Stadium; he played his final game on October 2, 1988, playing for the Milwaukee Brewers at County Stadium.
Melvin Nieves debuted on September 1, 1992, playing for the Atlanta Braves at Atlanta-Fulton County Stadium; he played his final game on September 14, 1998, playing for the Cincinnati Reds at Cinergy Field.
Juan Delis debuted on April 16, 1955 and played his final game on September 18, 1955.
Melvin Nieves played in 10 games at designated hitter for the Detroit Tigers in 1997, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Juan Lara debuted on September 8, 2006, playing for the Cleveland Indians at Jacobs Field; he played his final game on September 6, 2007, playing for the Cleveland Indians at Jacobs Field.
Ponce, Mayaguez and San Juan
Jose Nieves debuted on August 7, 1998, playing for the Chicago Cubs at Wrigley Field; he played his final game on July 29, 2002, playing for the Anaheim Angels at Edison International Field.
Wil Nieves debuted on July 21, 2002, playing for the San Diego Padres at Qualcomm Stadium; he played his final game on September 29, 2013, playing for the Arizona Diamondbacks at Chase Field.
Melvin Nieves debuted on September 1, 1992, playing for the Atlanta Braves at Atlanta-Fulton County Stadium; he played his final game on September 14, 1998, playing for the Cincinnati Reds at Cinergy Field.
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.