Johnny Duarte (Biff) boxer
- bouts
- 27
- won
- 6
- lost
- 19
- draw
- 2
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1935-08-21
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1944-05-22 | Jimmy Ruzzo | WWWWWW | Providence | LOST KO |
| 1941-09-18 | Italian Jack Dempsey | LWWWWW | Casino, Fall River | WIN Corner retirement |
| 1941-03-18 | Joe Piasta | WLLLLL | Bristol Arena, New Bedford | LOST Points |
| 1939-09-28 | Ring Larsson | DLLLLW | Casino, Fall River | LOST Points |
| 1939-03-14 | Al Sinibaldi | WWWWDW | Exposition Building, Portland | LOST |
| 1939-03-10 | Mike Troy | WWWLWL | Boston Garden, Boston | DRAW Points |
| 1939-02-23 | Walter Cunningham | WWWLLL | Casino, Fall River | LOST Points |
| 1938-11-21 | Al Ryll | WWWWWW | Valley Arena, Holyoke | LOST Points |
| 1938-11-18 | Frank Dolinski | WLWWWD | Arena, Boston | WIN KO |
| 1938-10-28 | Frank Dolinski | WWLWWW | Marieville Gardens, North Providence | DRAW Points |
| 1938-02-28 | Babe Beattie | WWLLWL | Valley Arena, Holyoke | LOST Unanimous decision |
| 1938-01-31 | Walter Cunningham | WLWWWW | Valley Arena, Holyoke | WIN Majority decision |
| 1937-09-30 | Jim Mackin | W | Boston Garden, Boston | WIN Technical knockout |
| 1937-08-24 | Roy Kelley | WWLWWL | Fenway Park, Boston | LOST Unanimous decision |
| 1937-08-07 | Melio Bettina | WWWWWW | Walnut Beach Stadium, Milford | LOST Points |
| 1937-03-11 | Jack Gibbons | WLWWWW | Egleston Square Stadium, Boston | LOST Corner retirement |
| 1937-01-25 | Dick Maloney | WWWWWW | Mechanics Building, Boston | LOST Unanimous decision |
| 1936-12-21 | Jimmy Mendes | LWDWWD | Providence | LOST Points |
| 1936-12-11 | Buck Tracy | WWWLLL | Lynn | LOST Points |
| 1936-12-04 | Johnny Lasinski | WWWLWW | Arena, New Haven | LOST Points |
| 1936-11-16 | Johnny Lasinski | WWWWLW | Pyramid Mosque, Bridgeport | LOST Points |
| 1936-09-14 | George Fitch | DWWW | South Park Arena, Hartford | LOST Points |
| 1936-09-11 | Eddie Coderre | WWWLDW | Infantry Hall, Providence | WIN Points |
| 1936-09-03 | Gene Bonin | WWDWW | St. Michael's Arena, Pawcatuck | LOST Points |
| 1936-07-08 | Izzy Singer | WWLLLL | St. Michael's Arena, Pawcatuck | LOST Points |
| 1936-03-02 | Wade Lumpkin | DWDLLW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1935-08-28 | Hookie Jackson | LWLWLL | St. Michael's Arena, Pawcatuck | LOST Points |
| 1935-08-21 | Art Lloyd | debut | St. Michael's Arena, Pawcatuck | WIN KO |