Jack Sinclair boxer
- bouts
- 2
- won
- 1
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1937-03-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1937-04-17 | Cec Hodges | LWLW | Newcastle Stadium, Newcastle | LOST Points |
| 1937-03-09 | Frank Burns | WWWWWL | Newcastle Stadium, Newcastle | WIN KO |