Jack O'Brien (Frisco Jack O'Brien) boxer
- bouts
- 1
- won
- 0
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1923-11-12
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Canada
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1923-11-12 | Jack Reddick | LWWWWW | Citizens' A.C., Moose Jaw | LOST KO |