Ray Callahan played in 3 games at pitcher for the Cincinnati Reds in 1915, starting in none of them. He made no putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Joe Callahan played in 6 games at pitcher for the Boston Bees in 1940, starting in none of them. He made no putouts, had 6 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Jimmy Callahan played in 23 games at pitcher for the Chicago Colts in 1897, starting in none of them. He made 14 putouts, had 45 assists, and committed 7 errors, equivalent to .304 errors per game (estimate based on total games played in). He had 4 double plays.
John Callahan played in 2 games at pitcher for the St. Louis Browns in 1898, starting in none of them. He made no putouts, had 2 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
Jimmy Callahan played in 31 games at pitcher for the Chicago Orphans in 1898, starting in none of them. He made 27 putouts, had 63 assists, and committed 5 errors, equivalent to .161 errors per game (estimate based on total games played in). He had 3 double plays.
Jimmy Callahan played in 35 games at pitcher for the Chicago Orphans in 1899, starting in none of them. He made 18 putouts, had 95 assists, and committed 12 errors, equivalent to .343 errors per game (estimate based on total games played in). He had 2 double plays.
Jimmy Callahan played in 32 games at pitcher for the Chicago Orphans in 1900, starting in none of them. He made 21 putouts, had 94 assists, and committed 3 errors, equivalent to .094 errors per game (estimate based on total games played in). He had 2 double plays.
Jimmy Callahan played in 9 games at pitcher for the Philadelphia Phillies in 1894, starting in none of them. He made 4 putouts, had 8 assists, and committed one error, equivalent to .111 errors per game (estimate based on total games played in). He had no double plays.
Jimmy Callahan played in 27 games at pitcher for the Chicago White Sox in 1901, starting in none of them. He made 19 putouts, had 83 assists, and committed 6 errors, equivalent to .222 errors per game (estimate based on total games played in). He had 3 double plays.
Jimmy Callahan played in 35 games at pitcher for the Chicago White Sox in 1902, starting in none of them. He made 21 putouts, had 106 assists, and committed 8 errors, equivalent to .229 errors per game (estimate based on total games played in). He had 7 double plays.
Jimmy Callahan played in 3 games at pitcher for the Chicago White Sox in 1903, starting in none of them. He made 3 putouts, had 12 assists, and committed one error, equivalent to .333 errors per game (estimate based on total games played in). He had no double plays.
Ben Callahan played in 4 games at pitcher for the Oakland Athletics in 1983, starting in 2 of them. He played for a total of 28 outs, equivalent to 1.04 9-inning games. He made no putouts, had 3 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had no double plays.