John Costello boxer
- bouts
- 5
- won
- 2
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- super featherweight
- Debut
- 1947-06-28
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1948-04-24 | George Walters | debut | West Melbourne Stadium, Melbourne | LOST Points |
| 1947-11-15 | Alan Goodwin | L | West Melbourne Stadium, Melbourne | WIN Points |
| 1947-10-25 | Dick Lee | debut | West Melbourne Stadium, Melbourne | LOST Points |
| 1947-09-27 | Bobby Keegan | debut | West Melbourne Stadium, Melbourne | LOST Points |
| 1947-06-28 | Alex Roberts | debut | West Melbourne Stadium, Melbourne | WIN Points |