Johnny O'Brien boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 1923-03-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1926-11-04 | Frank Larrabee | WWDDLW | Hillyard Gymnasium, Saint Joseph | LOST Technical knockout |
| 1925-05-22 | Tommy Maroon | debut | Carter Building, Lawrence | LOST |
| 1923-03-23 | Wildcat Johns | DWWDWD | Athletic Club, Phoenix | LOST Points |