Billy Duffy boxer
- bouts
- 23
- won
- 12
- lost
- 8
- draw
- 3
- Status
- inactive
- Division
- lightweight
- Debut
- 1919-08-08
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1923-02-15 | Shaver O'Brien | LLWLDL | Mechanics Building, Boston | WIN Technical knockout |
| 1923-02-01 | Johnny Avila | LLWWLW | Crescent Rink, Lowell | LOST Points |
| 1923-01-19 | Greek Alger | LDLLLL | Mechanics Building, Boston | WIN Points |
| 1922-04-03 | Tommy French | LLWWWW | Arena, Boston | WIN Points |
| 1921-11-25 | Frankie Quill | LLLLDL | Arena, Boston | LOST |
| 1921-06-10 | Jimmy Amato | LWW | Mechanics Building, Boston | LOST KO |
| 1921-05-27 | Jack Schoendorf | LW | Braves Field, Boston | WIN Points |
| 1921-05-07 | Jack Schoendorf | L | Commonwealth A.C., Boston | LOST Points |
| 1921-03-23 | Westside Jimmy Duffy | LLLDLD | Crescent Rink, Lowell | LOST Points |
| 1921-03-14 | Jack McCarthy | WLWWL | Grand Opera House, Boston | WIN Points |
| 1921-03-10 | Westside Jimmy Duffy | WDLLLD | Crescent Rink, Lowell | WIN Points |
| 1921-02-25 | Jack McCarthy | WLWW | Mechanics Building, Boston | WIN Points |
| 1921-02-17 | Johnny Drummie | LLWWLL | Crescent Rink, Lowell | WIN Points |
| 1921-02-05 | Young McDonough | debut | Strand Theatre, Revere | LOST Technical knockout |
| 1921-02-03 | Johnny Avila | WWWWLW | Crescent Rink, Lowell | WIN Points |
| 1921-01-21 | Billy Angelo | WDLD | Infantry Hall, Providence | LOST Technical knockout |
| 1920-07-09 | Joe Jawson | LLLLLW | Commercial A.C., Boston | LOST Points |
| 1919-11-14 | Nate Siegel | DLWDWW | Commercial A.C., Boston | DRAW Points |
| 1919-10-30 | Al Ketchell | LLLLWD | Crescent Rink, Lowell | WIN Points |
| 1919-10-17 | Nate Siegel | DWWDLW | Commercial A.C., Boston | DRAW Points |
| 1919-09-26 | Battling Silvia | WLLWDL | Crescent Rink, Lowell | WIN Points |
| 1919-08-22 | Nate Siegel | LWDWWD | Commercial A.C., Boston | WIN Points |
| 1919-08-08 | Joe Gibbs | WWLLLL | Wachussett A.C., Clinton | DRAW Points |