Jack O'Brien boxeador
- luta
- 7
- vitória
- 3
- derrota
- 3
- empate
- 1
- Estado
- inactive
- divisão
- light
- Estreia
- 1935-10-11
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- Australia
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1939-12-15 | Len Schluter | WWWLWL | Olympic Theatre, Mackay | DRAW Points |
| 1939-12-08 | Maxie Richards | WWLWLW | Olympic Theatre, Mackay | WIN Points |
| 1939-06-23 | Ron Gordon | WWWLWL | Brisbane Stadium, Brisbane | WIN Points |
| 1939-06-02 | Len Schluter | WWWLW | Brisbane Stadium, Brisbane | LOST Points |
| 1939-03-03 | Mick Jackson | debut | Monto | WIN KO |
| 1935-10-18 | Jack Brown | W | Rockhampton Stadium, Rockhampton | LOST KO |
| 1935-10-11 | Reg Gould | debut | Rockhampton Stadium, Rockhampton | LOST Points |