Jeff Duffy boxer
- bouts
- 2
- won
- 1
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1920-11-17
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1920-11-26 | Jack McGuire | debut | Madison Square Garden, New York | LOST Points |
| 1920-11-17 | Terry Mitchell | debut | Commonwealth Sporting Club, New York | WIN KO |