Jack O'Brian boxer
- bouts
- 5
- won
- 0
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1930-12-04
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1932-09-07 | Bobby Green | WLWDLW | Jim Graham Gym, Nashville | LOST KO |
| 1931-02-05 | Bob Tow | LWWLLL | Auditorium, Anniston | LOST KO |
| 1931-02-02 | Carl Knowles | WDLLLW | Birmingham | LOST KO |
| 1930-12-18 | Soldier Bill Branner | LLLLWW | Auditorium, Anniston | LOST Technical knockout |
| 1930-12-04 | Soldier Bill Branner | DLLLLW | Auditorium, Anniston | LOST KO |