Len Duby boxer
- bouts
- 5
- won
- 4
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1927-04-05
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 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 |