Buck O'Brien boxer
- bouts
- 4
- won
- 3
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- heavyweight
- Debut
- 1927-11-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-09-27 | Fred Anderson | debut | Tuttle Arena, Miami | WIN KO |
| 1928-09-14 | Ted Taylor | WWWDWL | Legion Arena, Lake Worth | LOST KO |
| 1928-07-27 | Soldier James Haynes | debut | Legion Arena, Lake Worth | WIN KO |
| 1927-11-07 | Red Steele | debut | Miami Field, Miami | WIN Points |