Johnny Duffy boxer
- bouts
- 3
- won
- 1
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 1914-11-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1921-09-09 | Johnny Hayes | WDLWLL | 15th Regiment Armory, New York | LOST |
| 1921-07-22 | Jackie Moore | LWLLW | 15th Regiment Armory, New York | LOST Points |
| 1918-01-07 | Tommy Ramsey | debut | Olympic A.C., New York | WIN KO |
| 1917-05-07 | Sammy Kahn | DWL | Military A.C., Brooklyn | WIN |
| 1914-11-09 | Frankie Notter | LWLLLW | Olympia A.C., Philadelphia | WIN |
