Jack Duffy boxer
- bouts
- 7
- won
- 2
- lost
- 4
- draw
- 1
- Status
- inactive
- Division
- -
- Debut
- 1935-11-30
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- United Kingdom
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1938-01-05 | Bill Brown | L | Belfast | LOST Points |
| 1937-12-28 | Jim Miller | LW | Arena, Belfast | LOST Points |
| 1937-11-22 | Billy Thompson | LWW | Belfast | DRAW Points |
| 1937-11-17 | Billy Thompson | LW | Chapel Fields Arena, Belfast | LOST Points |
| 1937-10-11 | Mick Gibbons | WWWWWW | Belfast | LOST Points |
| 1936-06-13 | Jack McKenzie | LWLWWW | Arena, Belfast | WIN Points |
| 1935-11-30 | Jim Young Josephs | DWWL | Arena, Belfast | WIN Technical knockout |