Johnny Duffy boxer
- bouts
- 11
- won
- 11
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1914-11-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-12-03 | Billy Cooper | WWDWLD | Fairview Arena, Detroit | WIN Points |
| 1928-03-07 | Carlo Mazzola | DLWWWW | Olympia Stadium, Detroit | WIN Points |
| 1928-01-16 | Eddie Bentley | debut | Fairview A.C., Detroit | WIN Points |
| 1926-11-22 | Jimmy Mcguire | debut | Fairview Arena, Detroit | WIN |
| 1924-01-22 | George LaBate | WLW | Mechanics Building, Boston | WIN KO |
| 1923-12-06 | Benny O'Neil | WLLLLW | Crescent Rink, Lowell | WIN |
| 1923-10-12 | Babe Adams | debut | Crescent Rink, Lowell | WIN Points |
| 1923-09-20 | Benny O'Neil | LWWLLL | Crescent Rink, Lowell | WIN Points |
| 1923-09-13 | Kid Cullen | debut | Crescent Rink, Lowell | WIN Technical knockout |
| 1923-07-19 | Tony Roy | WL | Crescent Rink, Lowell | WIN Technical knockout |
| 1923-04-30 | Benny O'Neil | LWLLWW | Associate Hall, Lowell | WIN Points |
| 1923-04-16 | Johnny Hebert | WWWWLW | Associate Hall, Lowell | WIN Points |
| 1914-11-26 | Young McCartney | WLWLLD | Olympia A.C., Philadelphia | WIN |
