Fred O'Brien pugile
- combattimenti
- 7
- vinto
- 3
- perduto
- 3
- pareggiare
- 1
- Stato
- inactive
- Divisione
- bantamweight
- Debutto
- 1922-11-29
- Altezza
- -
- Arrivare a
- -
- Età
- -
- Nato
- -
- Morte
- -
- Nazionalità
- Australia
| Data | Avversario | Ultimi risultati degli avversari | Luogo | Risultato |
|---|---|---|---|---|
| 1923-12-12 | Les Williams | WWL | West Melbourne Stadium, Melbourne | WIN Points |
| 1923-10-10 | Billy Russell | LWWWW | West Melbourne Stadium, Melbourne | WIN Points |
| 1923-10-03 | Young Swinton | WWL | West Melbourne Stadium, Melbourne | LOST Points |
| 1923-03-21 | Jack Carroll | debut | West Melbourne Stadium, Melbourne | DRAW Points |
| 1923-02-14 | Billy Trevarrow | debut | West Melbourne Stadium, Melbourne | WIN Points |
| 1923-01-03 | Jim Cazaly | debut | West Melbourne Stadium, Melbourne | LOST Points |
| 1922-11-29 | George Young | debut | West Melbourne Stadium, Melbourne | LOST KO |