Jack O'Brien (The Polish Wonder) boxer
- bouts
- 1
- won
- 1
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1927-10-10
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1927-12-05 | Mike Carroll | WWWWWL | Canton Auditorium, Canton | WIN |
| 1927-10-10 | Mike Carroll | LWWWWW | Canton Auditorium, Canton | WIN |