Jack Brennan boxer
- bouts
- 3
- won
- 1
- lost
- 1
- draw
- 1
- Status
- inactive
- Division
- -
- Debut
- 1919-01-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1919-03-10 | Eddie Flynn | WWWDLW | Freeman's Hall, Portsmouth | LOST KO |
| 1919-02-05 | Al Nelson | WLWLDD | Freeman's Hall, Portsmouth | DRAW Points |
| 1919-01-16 | Charley Trembley | LWW | Freeman's Hall, Portsmouth | WIN KO |