Len Duby boxeador
- luta
- 5
- vitória
- 4
- derrota
- 1
- empate
- 0
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1927-04-05
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- USA
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1929-08-31 | Johnny Sabatle | debut | Ridgewood Grove, Brooklyn | WIN Points |
| 1929-08-22 | Willie Gilbert | debut | Dexter Park Arena, Woodhaven, Queens | WIN Points |
| 1929-08-02 | Johnny Mumford | LWL | Playland Stadium, Rockaway Beach, Queens | WIN Technical knockout |
| 1929-07-25 | Gladstone Martin | LWLLWL | Olympia Boxing Club, New York | WIN KO |
| 1927-04-05 | Bernard Barde | debut | Madison Square Garden, New York | LOST Points |