Jack Brennan boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- heavyweight
- Debut
- 1916-02-25
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1918-11-02 | Tom Cowler | WLDLLL | National A.C., Philadelphia | LOST KO |
| 1916-02-25 | Jack Fitzgerald | LLLLLL | Nonpareil A.C., Philadelphia | LOST Technical knockout |