Len O'Brien boxeador
- luta
- 10
- vitória
- 6
- derrota
- 3
- empate
- 1
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1947-12-05
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- United Kingdom
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1950-09-12 | Tony Penprase | WLLLWW | Town Hall, Bournemouth | LOST Technical knockout |
| 1950-04-03 | Tony Penprase | WLWLLL | Corn Exchange, Plymouth | LOST Points |
| 1949-12-12 | Tony Penprase | WWLWLW | Grand Pier Pavilion, Weston-super-Mare | WIN Points |
| 1949-10-21 | Tony Penprase | DWWWLW | Market Hall, Newton Abbot | WIN Points |
| 1949-07-25 | Owen Randall | LWWWLW | Town Football Ground, Swindon | WIN Points |
| 1949-03-25 | Len Brooks | WWDWWL | Corn Exchange, Plymouth | WIN Points |
| 1948-11-27 | Owen Randall | WWLWWW | Chard | WIN Points |
| 1948-06-22 | Frank Bassinger | WWLWLL | St James Park (Exeter FC), Exeter | LOST Technical knockout |
| 1948-02-09 | Len Brooks | WWWWDL | Bridgewater | WIN Technical knockout |
| 1947-12-05 | Len Brooks | WWWW | Corn Exchange, Plymouth | DRAW Points |