Warren White debuted on June 17, 1871, playing for the Washington Olympics at Olympics Grounds; he played his final game on June 27, 1884, playing for the Washington Nationals at .
Warren Bogle debuted on July 31, 1968 and played his final game on September 15, 1968.
Warren Brusstar debuted on May 6, 1977 and played his final game on October 3, 1985.
Warren Cromartie debuted on September 6, 1974 and played his final game on September 15, 1991.
Warren Fitzgerald debuted on June 4, 1891 and played his final game on June 8, 1892.
Warren Hacker debuted on September 24, 1948, playing for the Chicago Cubs at Wrigley Field; he played his final game on September 29, 1961, playing for the Chicago White Sox at Comiskey Park.
Warren Newson debuted on May 29, 1991, playing for the Chicago White Sox at Comiskey Park II; he played his final game on September 27, 1998, playing for the Texas Rangers at The Ballpark at Arlington.
Warren Newson played in 3 games at designated hitter for the Chicago White Sox in 1994, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Warren Newson played in 3 games at designated hitter for the Chicago White Sox in 1991, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Warren Newson played in 4 games at designated hitter for the Chicago White Sox in 1992, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
Warren Newson played in 10 games at designated hitter for the Chicago White Sox in 1993, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
NFL player Jeremiah Warren played for South Florida.
NFL player Pierre Warren played for Jacksonville State.