Jack Duffy boxer
- bouts
- 4
- won
- 1
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1922-06-28
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1925-03-02 | Steve Clark | debut | Sharon | LOST KO |
| 1925-02-19 | Johnny Donnelly | LLWWLW | Clarksburg | LOST KO |
| 1925-01-05 | Sammy Beatty | debut | Rayen-Wood Auditorium, Youngstown | WIN |
| 1924-12-19 | Johnny Donnelly | LLLLLL | Carmichael Auditorium, Clarksburg | LOST KO |
| 1924-09-18 | Georgie Dolan | LLWL | Youngstown | LOST |
| 1922-06-28 | Jiggs Hildebrand | debut | Frohsinn Hall, Altoona | WIN KO |