Billy Duncan boxer
- bouts
- 3
- won
- 2
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1909-07-02
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- -
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1913-11-01 | Iron Bux | DWW | Trozo Sporting Club, Manila | WIN KO |
| 1910-06-27 | Lester Dye | debut | Presidio, San Francisco | WIN KO |
| 1909-07-02 | Bob Flannigan | debut | United Railroads, San Francisco | LOST Points |