John O'Byrne boxer
- bouts
- 2
- won
- 1
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1997-12-04
- Height
- 6′ 1″/185cm
- Reach
- -
- Age
- -
- Born
- 1966-02-12
- Death
- -
- Nationality
- United Kingdom
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1998-07-17 | Mike Gormley | WLWWWL | Golf and Country Club, Mere | LOST Points |
| 1997-12-04 | Clint Johnson | W | Swallow Hotel, Sunderland | WIN Points |