Jack Costin boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- flyweight
- Debut
- 1920-11-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1921-01-29 | Ben Charlton | WLWWL | Phelan's Theatre, West Wallesend | LOST KO |
| 1920-11-24 | Jack Short | LWLLWL | Imperial Stadium, Newcastle | LOST Corner retirement |