Jake O'Brien boxer
- bouts
- 0
- won
- 0
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1905-02-25
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1905-03-25 | George Blackhall | WDDD | Business Men's Club, Pittsburgh | DRAW |
| 1905-02-25 | George Blackhall | W | Business Men's Club, Pittsburgh | DRAW |