Reg O'Brien boxeador
- luta
- 9
- vitória
- 2
- derrota
- 6
- empate
- 0
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1919-07-30
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- Australia
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1924-10-29 | Murray Young | debut | Sydney Stadium, Sydney | LOST Points |
| 1922-09-23 | Jim Duncan | WL | Sydney Stadium, Sydney | LOST Points |
| 1922-07-19 | Billy Weir | LWLLLW | Hippodrome, Sydney | WIN Points |
| 1922-06-21 | Bill Yates | WLWL | Hippodrome, Sydney | LOST Points |
| 1922-05-24 | Fred Williams | WWWWLL | National Theatre, Balmain, Sydney | LOST Points |
| 1922-05-03 | Pat McDermott | debut | National Theatre, Balmain, Sydney | LOST Points |
| 1921-06-18 | Alf McKenna | LWL | Sydney Stadium, Sydney | LOST Points |
| 1919-08-06 | Sam Condritt | WL | Sydney Stadium, Sydney | WIN KO |
| 1919-07-30 | Jack Thomas | WL | Sydney Stadium, Sydney | NC |
