John Callio boxer
- bouts
- 5
- won
- 1
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1936-11-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1937-11-19 | Larry Whitman | W | Gymnastic Club, Dayton | LOST KO |
| 1937-04-05 | Johnny Shirley | WWWWWL | Columbia Gymnasium Arena, Louisville | LOST Technical knockout |
| 1937-01-18 | Cecil Powell | WWWWWW | Columbia Gymnasium Arena, Louisville | LOST Points |
| 1936-11-23 | Cecil Powell | WDWWWW | Columbia Gymnasium Arena, Louisville | LOST Points |