Greg Mathews debuted on June 3, 1986, playing for the St. Louis Cardinals at Busch Stadium II; he played his final game on October 3, 1992, playing for the Philadelphia Phillies at Veterans Stadium.
NFL player Ricardo Mathews played for Cincinnati.
Ed Mathews started playing in the major leagues in 1952, and his last year to play baseball was 1974.
NFL player Ryan Mathews played for Fresno State.
Greg Aquino debuted on July 2, 2004 and played his final game on June 17, 2009.
Greg Bargar debuted on July 17, 1983 and played his final game on October 2, 1986.
Greg Blosser debuted on September 5, 1993 and played his final game on April 17, 1994.
Greg Bollo debuted on May 9, 1965 and played his final game on October 2, 1966.
Greg Booker debuted on September 11, 1983 and played his final game on May 26, 1990.
Greg Briley debuted on June 27, 1988 and played his final game on September 24, 1993.
Greg Brock debuted on September 1, 1982 and played his final game on June 28, 1991.
Greg Brummett debuted on May 29, 1993 and played his final game on September 30, 1993.
Greg Burke debuted on May 16, 2009 and played his final game on September 23, 2013.