Gene O'Brien (Eugene) boxeador
- luta
- 9
- vitória
- 3
- derrota
- 5
- empate
- 1
- Estado
- inactive
- divisão
- middleweight
- Estreia
- 1944-08-11
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- USA
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1946-10-07 | Robert Smith | WLD | Coliseum Bowl, San Francisco | LOST Points |
| 1946-09-27 | Bob Smith | WLLLLL | National Hall, San Francisco | LOST KO |
| 1945-03-12 | Al McDonald | WLLLLL | Civic Auditorium, San Francisco | LOST Technical knockout |
| 1945-03-09 | Teddy Allen | LL | National Hall, San Francisco | DRAW Points |
| 1944-10-06 | Bob Smith | LWLLLL | National Hall, San Francisco | WIN Points |
| 1944-10-02 | Billy Mayfield | DWWW | Civic Auditorium, San Francisco | LOST Technical knockout |
| 1944-09-22 | Nick Venegas | debut | National Hall, San Francisco | WIN KO |
| 1944-09-11 | Bob Smith | LLWLLL | Civic Auditorium, San Francisco | WIN Technical knockout |
| 1944-08-11 | Reuben Flores | debut | National Hall, San Francisco | LOST Technical knockout |