Johnny Duffy boxer
- bouts
- 9
- won
- 5
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1945-05-19
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1947-03-07 | Mick Duggan | LLL | Grenfell Street Stadium, Adelaide | WIN Technical knockout |
| 1947-02-14 | Snowy Williams | DLLDLL | Grenfell Street Stadium, Adelaide | WIN Points |
| 1946-05-17 | Doug Bensch | WLLWLL | Grenfell Street Stadium, Adelaide | WIN Technical knockout |
| 1945-11-03 | Doug Bensch | LWWWLL | Grenfell Street Stadium, Adelaide | LOST Technical knockout |
| 1945-09-29 | Doug Bensch | WLLWWW | Grenfell Street Stadium, Adelaide | WIN |
| 1945-09-15 | Lance Geyer | LDLDLL | Grenfell Street Stadium, Adelaide | LOST Points |
| 1945-08-18 | Digger Merritt | LWLWLW | Grenfell Street Stadium, Adelaide | WIN KO |
| 1945-05-19 | Ginger McDonald | WLLLW | Grenfell Street Stadium, Adelaide | LOST Points |