Buck O'Brien boxer
- bouts
- 1
- won
- 0
- lost
- 0
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 1922-04-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1925-10-16 | Kewpie Trimble | WLLLWL | East Chicago | LOST |
| 1923-02-13 | Frankie Kennard | DLLWLL | Suburban club, Chicago suburb | DRAW |
| 1923-01-15 | Johnny Lucas | DDLLDW | Savoy Theater, Louisville | WIN |
| 1922-06-19 | Jack Zalice | DWLDWW | Liberty Hall, Cicero | WIN |
| 1922-04-07 | Battling Williams | LDLWW | U.S.S. Commodore, Chicago | DRAW Points |