Jimmy Callahan
James Joseph Callahan
Born: March 18, 1874
Fitchburg, MA USA
Deceased: October 4, 1934
Coaching Career: 1903-1917
Jimmy Callahan compiled a record of 394 wins and 458 losses in his coaching career with the Chicago White Sox and Pittsburgh Pirates. He began coaching during the 1903 season and last coached during the 1917 campaign.
Coaching Record:
| Season | Lg | Team | G | W | L | Win% | Finish | |
| 1903 | AL | Chicago White Sox | 138 | 60 | 77 | .435 | 7 | Player/Manager |
| 1904 | AL | Chicago White Sox | 42 | 23 | 18 | .548 | 3 | Player/Manager |
| 1912 | AL | Chicago White Sox | 158 | 78 | 76 | .494 | 4 | Player/Manager |
| 1913 | AL | Chicago White Sox | 153 | 78 | 74 | .510 | 5 | Player/Manager |
| 1914 | AL | Chicago White Sox | 157 | 70 | 84 | .446 | 7 | |
| 1916 | NL | Pittsburgh Pirates | 157 | 65 | 89 | .414 | 6 | |
| 1917 | NL | Pittsburgh Pirates | 61 | 20 | 40 | .328 | 8 | |
| Totals | 7 seasons | 866 | 394 | 458 | .455 | 5.7 |