William Rumler played in 9 games at catcher for the St. Louis Browns in 1916, starting in none of them. He made 23 putouts, had 11 assists, and committed one error, equivalent to .111 errors per game (estimate based on total games played in). He had one double play. He had 1 passed ball, 0 wild pitches, 0 opponent stolen bases, and 0 opponent caught stealings.
William Rumler played in 10 games at catcher for the St. Louis Browns in 1914, starting in none of them. He made 23 putouts, had 12 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play. He had 1 passed ball, 0 wild pitches, 0 opponent stolen bases, and 0 opponent caught stealings.
William Bergolla debuted on May 9, 2005 and played his final game on June 25, 2005.
William Bestick debuted on June 20, 1872 and played his final game on July 9, 1872.
William Brown debuted on May 10, 1887 and played his final game on May 20, 1894.
William Coon debuted on September 4, 1875 and played his final game on September 16, 1876.
William Fischer debuted on June 9, 1913 and played his final game on September 29, 1917.
NFL player William Moore played for Missouri.
NFL player William Campbell played for Michigan.
NFL player William Gay played for Louisville.
NFL player William Poehls played for Montana.
NFL player William Gholston played for Michigan State.