Billy Duffy boxer
- bouts
- 5
- won
- 5
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1974-09-11
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1974-11-06 | Les Gazyie | debut | North Sydney Rugby League Club, Sydney | WIN Technical knockout |
| 1974-10-22 | Steve Thomas | LDLDWL | Castle Hill RSL Club, Sydney | WIN KO |
| 1974-09-25 | Micky Dripping | LLL | South Sydney Junior Rugby League Club, Sydney | WIN Points |
| 1974-09-18 | Micky Dripping | LL | South Sydney Junior Rugby League Club, Sydney | WIN Points |
| 1974-09-11 | Bobby Jackson | debut | Marrickville RSL Club, Sydney | WIN Points |