Jimmy O'Brien boxeador
- luta
- 10
- vitória
- 5
- derrota
- 5
- empate
- 0
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1945-05-09
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- USA
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1946-04-15 | Ted Gories | L | Phillips Field, Tampa | LOST KO |
| 1946-04-08 | Tiny Beau Jack | L | Legion Coliseum, Sarasota | WIN Points |
| 1946-03-18 | Tiny Beau Jack | debut | Legion Coliseum, Sarasota | WIN Technical knockout |
| 1946-02-18 | Cannonball Tucker | W | Legion Coliseum, Sarasota | LOST KO |
| 1946-02-11 | Cannonball Tucker | debut | Legion Coliseum, Sarasota | LOST KO |
| 1946-01-28 | Kid Claude | debut | Legion Coliseum, Sarasota | WIN KO |
| 1946-01-07 | Garcia Milkus | debut | Legion Coliseum, Sarasota | WIN Points |
| 1945-12-13 | Oscar Williams | WLLWWL | Municipal Auditorium, Tampa | LOST Points |
| 1945-05-09 | Harold Wilson | debut | Municipal Auditorium, Tampa | LOST KO |