William Callahan boxer
- bouts
- 1
- won
- 0
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1905-03-18
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1909-02-03 | Mike Jordan | LLW | Palisades Rink, McKeesport | DRAW |
| 1906-10-16 | Skipper Manning | WWLLW | Coliseum Hall, McKeesport | LOST Technical knockout |
| 1906-03-15 | Mike Madden | WDDDDW | Coliseum Hall, McKeesport | LOST |
| 1905-03-18 | George Simcoe | debut | Coliseum Hall, McKeesport | LOST |
