Jack Nielsen boxer
- bouts
- 2
- won
- 2
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1928-08-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1930-06-26 | Larry Hoke | debut | Civic Auditorium, Watsonville | WIN KO |
| 1928-08-07 | Bill Watson | debut | 10th Street Arena, Modesto | WIN KO |