Bill Hallahan debuted on April 16, 1925, playing for the St. Louis Cardinals at Sportsman's Park IV; he played his final game on September 14, 1938, playing for the Philadelphia Phillies at Baker Bowl/Shibe Park.
Bill Hallahan played in 21 games at pitcher for the Cincinnati Reds in 1937, starting in none of them. He made one putout, had 18 assists, and committed 3 errors, equivalent to .143 errors per game (estimate based on total games played in). He had one double play.
Bill Hallahan played in 21 games at pitcher for the Philadelphia Phillies in 1938, starting in none of them. He made 2 putouts, had 19 assists, and committed one error, equivalent to .048 errors per game (estimate based on total games played in). He had one double play.
Bill Hallahan played in 25 games at pitcher for the St. Louis Cardinals in 1932, starting in none of them. He made 7 putouts, had 27 assists, and committed 2 errors, equivalent to .08 errors per game (estimate based on total games played in). He had one double play.
Bill Hallahan played in 19 games at pitcher for the St. Louis Cardinals in 1926, starting in none of them. He made one putout, had 12 assists, and committed 4 errors, equivalent to .211 errors per game (estimate based on total games played in). He had one double play.
Bill Abernathie debuted on September 27, 1952 and played his final game on September 27, 1952.
Bill Abstein debuted on September 25, 1906 and played his final game on June 2, 1910.
Bill Ahearn debuted on June 19, 1880 and played his final game on June 19, 1880.
Bill Akers debuted on September 8, 1929 and played his final game on July 27, 1932.
Bill Allison debuted on May 21, 1872 and played his final game on July 4, 1872.
Bill Almon debuted on September 2, 1974 and played his final game on June 14, 1988.
Bill Anderson debuted on September 10, 1925 and played his final game on September 17, 1925.
Bill Andrus debuted on September 19, 1931 and played his final game on May 11, 1937.