Jack Duffy boxer
- bouts
- 5
- won
- 4
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1957-01-29
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1957-07-12 | Paul Uldo | L | Agricultural Hall, Wollongong | WIN Points |
| 1957-05-06 | Jack Van Der Lynn | debut | Sydney Stadium, Sydney | WIN KO |
| 1957-03-11 | Karl Machain | WLWLLW | Sydney Stadium, Sydney | LOST KO |
| 1957-02-04 | Rocky Adriatic | LL | Sydney Stadium, Sydney | WIN Points |
| 1957-01-29 | Slugger Jackson | debut | Sydney Stadium, Sydney | WIN KO |