Ramon Romero debuted on September 18, 1984, playing for the Cleveland Indians at Cleveland Stadium; he played his final game on September 21, 1985, playing for the Cleveland Indians at Cleveland Stadium.
Ramon Caraballo debuted on September 9, 1993 and played his final game on August 15, 1995.
Ramon Castro debuted on August 27, 1999 and played his final game on July 9, 2011.
Ramon Conde debuted on July 17, 1962 and played his final game on August 14, 1962.
Ramon Fermin debuted on August 6, 1995 and played his final game on August 6, 1995.
NBA player Ramon Sessions played for Nevada.
NFL player Ramon Foster played for Tennessee.
Ramon de los Santos debuted on August 21, 1974 and played his final game on October 2, 1974.
NFL player Ramon Humber played for North Dakota State.
Ramon Castro debuted on August 27, 1999, playing for the Florida Marlins at Pro Player Stadium; he played his final game on July 9, 2011, playing for the Chicago White Sox at U.S. Cellular Field.
Alex Romero debuted on April 2, 2008, playing for the Arizona Diamondbacks at Chase Field; he played his final game on October 3, 2009, playing for the Arizona Diamondbacks at Chase Field.
Ed Romero debuted on July 16, 1977, playing for the Milwaukee Brewers at County Stadium; he played his final game on June 27, 1990, playing for the Detroit Tigers at Tiger Stadium.
Ramon Fermin debuted on August 6, 1995, playing for the Oakland Athletics at Oakland Coliseum; he played his final game on August 6, 1995, playing for the Oakland Athletics at Oakland Coliseum.