Jack Duffy boxer
- bouts
- 6
- won
- 1
- lost
- 3
- draw
- 2
- Status
- inactive
- Division
- lightweight
- Debut
- 1907-01-13
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1913-10-10 | Jack Doig | WWDDD | Ladd | LOST Points |
| 1913-09-04 | Jack Doig | DDWWDD | Peru | DRAW Points |
| 1912-08-08 | Jack Doig | WWWWDD | DRAW Points |
|
| 1912-05-05 | Jack Doig | WDDWWW | LOST Points |
|
| 1907-08-23 | Charles Juhre | debut | Racine | WIN Points |
| 1907-01-13 | Jack Redmond | DWWLWW | Suburban A.C., Milwaukee | LOST KO |