Jimmy O'Brien boxeador
- combates
- 19
- ganados
- 12
- perdidos
- 3
- empates
- 4
- Estado
- inactive
- División
- middleweight
- Debut
- 1949-08-15
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1950-04-03 | Ralph Brown | WDWW | Turner's Arena, Washington | DRAW Points |
| 1950-03-27 | Angelo Marini | WWWDLD | Turner's Arena, Washington | LOST Points |
| 1950-03-13 | Angelo Marini | WWWWDL | Turner's Arena, Washington | DRAW Points |
| 1950-03-06 | Billy Hickerson | LLWL | Turner's Arena, Washington | WIN Points |
| 1950-02-20 | Charley Turner | LLLLWL | Coliseum, Baltimore | WIN Points |
| 1950-02-06 | Ralph Brown | W | Turner's Arena, Washington | DRAW Points |
| 1950-01-30 | Nat Johnson | debut | Coliseum, Baltimore | WIN Unanimous decision |
| 1950-01-16 | Ralph Brown | debut | Turner's Arena, Washington | LOST KO |
| 1950-01-02 | Charlie Purvis | D | Coliseum, Baltimore | WIN Majority decision |
| 1949-12-05 | Herb Stoll | L | Coliseum, Baltimore | WIN KO |
| 1949-11-28 | Joe Green | L | Turner's Arena, Washington | WIN KO |
| 1949-11-21 | Herb Stoll | debut | Coliseum, Baltimore | WIN KO |
| 1949-11-18 | Charley Duke | LL | Uline Arena, Washington | WIN Technical knockout |
| 1949-11-07 | Billy Hickerson | debut | Turner's Arena, Washington | WIN Technical knockout |
| 1949-10-31 | Warren Hudson | LW | Turner's Arena, Washington | WIN Points |
| 1949-10-24 | Gene Kelly | debut | Turner's Arena, Washington | WIN KO |
| 1949-09-19 | Don Hubsher | LL | Turner's Arena, Washington | WIN Points |
| 1949-08-29 | Emmett Harris | WWDLLD | Griffith Stadium, Washington | DRAW Points |
| 1949-08-15 | Page Beckwith | WLLLLL | Coliseum, Baltimore | LOST Technical knockout |