Billy Napper boxer
- bouts
- 103
- won
- 39
- lost
- 53
- draw
- 11
- Status
- inactive
- Division
- welterweight
- Debut
- 1941-10-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1948-12-20 | Johnny Parker | LLLLWL | Valley Arena, Holyoke | LOST Unanimous decision |
| 1948-04-16 | Charley Pappas | WLLLWW | Arena, Boston | WIN Split-decision |
| 1948-03-10 | Tommy Murray | LWWWWW | Bangor | LOST Points |
| 1947-12-12 | Billy Turco | WWWWLL | Mechanics Building, Boston | LOST Points |
| 1947-11-07 | George Ross | WWWWWW | Halifax | LOST Points |
| 1947-07-01 | Vic Cardell | WWWWWW | Auditorium Outdoor Arena, Hartford | LOST Points |
| 1947-05-23 | Armand Michaud | WLLLLL | Rockland | LOST Points |
| 1947-05-09 | Frankie Cordino | WDWDLW | Boston Garden, Boston | WIN Points |
| 1947-04-16 | Frankie Belanger | LLWWWW | Milford | WIN Points |
| 1947-02-10 | Maurice Beauchene | WWWLWL | Saco | DRAW Points |
| 1947-01-30 | Buster Beaupre | WLWWWD | Memorial Auditorium, Barre | DRAW Points |
| 1947-01-24 | Sammy Walker | WL | Athol | DRAW Points |
| 1946-12-16 | Jackie Lovatt | WWWWWW | Mechanics Building, Boston | LOST Unanimous decision |
| 1946-12-04 | Hermie Freeman | WWWLWW | Bangor | LOST Split-decision |
| 1946-11-14 | Fred Balessano | LWLLLL | Keene | WIN Technical knockout |
| 1946-11-05 | Art Aragon | LWLWWW | Salem | DRAW Points |
| 1946-10-28 | Hermie Freeman | WWLWWW | Mechanics Building, Boston | WIN Technical knockout |
| 1946-09-12 | Eddie Richmond | WWWWWL | St. Ann's Park, Woonsocket | WIN Points |
| 1946-09-05 | Eddie Richmond | LWWWWW | St. Anne's Park, Woonsocket | WIN Split-decision |
| 1946-07-10 | Harry Hurst | WDWDWL | Exchange Stadium, Montreal | LOST KO |
| 1946-07-05 | Frankie Vigeant | WWWLWW | Manchester | LOST Points |
| 1946-06-17 | Clyde Gordon | WWLWWW | Century Stadium, West Springfield | LOST Points |
| 1946-04-05 | Steve Bellus | WLLLLW | Brockton | WIN Points |
| 1946-03-27 | Dolly King | LLLLLW | Town Hall, Southbridge | LOST |
| 1946-03-26 | Dolly King | LLLLLL | Southbridge | LOST |
| 1946-03-20 | Johnny Priest | LDDWLW | Canton Hall, Brockton | LOST Points |
| 1946-02-26 | Paul Bangs | DWLLW | Arena, Boston | WIN Unanimous decision |
| 1946-01-18 | Johnny Woods | LLW | Arena, Boston | LOST Split-decision |
| 1946-01-16 | Armand Michaud | WWDWLW | City Hall, Bangor | LOST Points |
| 1946-01-11 | Johnny Woods | debut | Arena, Boston | LOST Points |
| 1946-01-07 | Billy Letourneau | debut | State Armory, Newport | WIN Points |
| 1945-12-26 | Steve Bellus | LLLWLL | Canton Hall, Brockton | WIN Points |
| 1945-12-11 | Sal Lupo | LLLWLL | Boston Garden, Boston | WIN KO |
| 1945-10-18 | Sal Lupo | LL | Worcester Hall, Worcester | WIN KO |
| 1945-10-11 | Wayland Douglas | LLLLWD | Providence | LOST Points |
| 1945-10-04 | Lou Fortuna | LLLLLW | Casino, Fall River | LOST Points |
| 1945-09-27 | Joe Kruski | debut | Marieville Gardens, North Providence | LOST Points |
| 1945-09-24 | Jimmy Pettie | WWLLL | Century Stadium, West Springfield | DRAW Points |
| 1945-09-21 | Ceferino Bronco | WWLWLL | Plymouth | LOST Points |
| 1945-09-10 | Joe Polowitzer | WLWLLW | Century Stadium, West Springfield | LOST Unanimous decision |
| 1945-07-12 | Baby Tiger Flowers | WWWWWL | Casino, Fall River | DRAW Points |
| 1945-07-05 | Johnny Marra | LLLWLL | Casino, Fall River | WIN Points |
| 1945-07-02 | Ernie Giusti | WWWWWW | Providence | WIN Technical knockout |
| 1945-06-18 | Kenny James | WWWLLL | Municipal Stadium, Waterbury | LOST Points |
| 1945-06-08 | Baby Tiger Flowers | LWLWWW | Worcester | LOST Split-decision |
| 1945-04-20 | Joey Angelo | WWWWWW | Elk's Auditorium, Providence | LOST Points |
| 1945-04-16 | Cliff Cardin | LLL | Rhode Island Auditorium, Providence | WIN KO |
| 1945-04-11 | Cliff Carden | debut | Webster | WIN KO |
| 1945-04-09 | Billy Wilson | LLWLWW | Rhode Island Auditorium, Providence | DRAW Points |
| 1945-04-04 | Baby Tiger Flowers | WWWWWW | Worcester | WIN Points |
| 1945-03-29 | Ceferino Bronco | DLWLWW | Casino, Fall River | LOST Points |
| 1945-03-16 | Al Hallie | LWLLWL | Worcester | WIN Points |
| 1945-03-05 | Johnny Marra | WWLWDW | Arena, Boston | WIN Points |
| 1945-03-01 | Freddie Gilbo | LLLLWL | Casino, Fall River | WIN Points |
| 1945-02-27 | Johnny Marra | LLWWLW | New Bedford | DRAW Points |
| 1945-02-19 | Shamus McCray | LW | Providence | LOST Points |
| 1944-12-19 | Leo Romanello | WWWLDW | Broadway Arena, Brooklyn | LOST Technical knockout |
| 1944-11-20 | Ken Conley | L | Boston Garden, Boston | LOST KO |
| 1944-11-06 | Ritchie Gibbons | LLLWWW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1944-10-27 | Tony Compo | LLWLLL | Boston Garden, Boston | WIN Split-decision |
| 1944-10-13 | Frankie McDougall | LLLWLW | Boston Garden, Boston | WIN Points |
| 1944-10-06 | Vinnie Vazzo | WDLWWW | Boston Garden, Boston | WIN Points |
| 1944-09-22 | Larry Villeneuve | WWWDWW | Town Hall, Brunswick | LOST Points |
| 1944-09-18 | Walter Gomes | LLWWLL | Rhode Island Auditorium, Providence | WIN KO |
| 1944-07-13 | Benny Andy | WWWWDW | Casino, Fall River | LOST Points |
| 1944-04-21 | Leo Dulmaine | LWWWWW | Mechanics Hall, Worcester | LOST Technical knockout |
| 1944-04-03 | Phil Quillan | WWLLLL | Valley Arena, Holyoke | LOST Technical knockout |
| 1944-03-09 | Fern Pelletier | LWWWDW | City Hall, Lewiston | LOST Technical knockout |
| 1944-02-01 | Tony Gouveia | WWLLLW | Bristol Arena, New Bedford | LOST Points |
| 1944-01-20 | Jimmy Cook | WWWWDL | Exposition Building, Portland | LOST Points |
| 1944-01-06 | Maurice Cloutier | LLLWLW | Exposition Building, Portland | LOST Points |
| 1943-11-09 | Jimmy Cook | WWWWWD | Armory, Bath | WIN Points |
| 1943-10-14 | Maurice Cloutier | LLLLLW | Exposition Building, Portland | WIN Split-decision |
| 1943-09-06 | Phil Quillan | LWLLWW | Century Stadium, West Springfield | WIN Points |
| 1943-08-30 | Jackie Collins | DLWLLD | Rhode Island Auditorium, Providence | DRAW Points |
| 1943-08-24 | Jimmy Cook | DLWWWW | Exposition Building, Portland | LOST Unanimous decision |
| 1943-08-19 | Ceferino Bronco | LWLWWW | Casino, Fall River | LOST Points |
| 1943-05-27 | Jake Desaultels | LLLLWW | City Hall, Lewiston | LOST Points |
| 1943-05-07 | Harry Hintlian | LWWWWW | City Hall, Lewiston | LOST Points |
| 1943-04-27 | Johnny Cool | WWWLWW | Exposition Building, Portland | LOST Unanimous decision |
| 1943-04-22 | Harry Hintlian | WLWWWW | Casino, Fall River | LOST Unanimous decision |
| 1943-04-12 | Leo Dulmaine | WLLWWL | Rhode Island Auditorium, Providence | LOST Points |
| 1943-04-02 | Frankie Ross | WDLLWL | Arena, Boston | WIN Points |
| 1943-02-04 | Frankie Ross | WLLWWD | Mechanics Building, Boston | WIN Points |
| 1943-01-26 | Maurice Cloutier | LWWDWL | Exposition Building, Portland | DRAW Points |
| 1943-01-22 | Frankie Ross | LWLLWW | Arena, Boston | DRAW Points |
| 1943-01-14 | Charko Maxfield | LLWWWD | Pierce Hall, Portsmouth | WIN KO |
| 1943-01-08 | Ernie Forte | WWLWWL | Arena, Boston | LOST Points |
| 1942-12-18 | Eddie Connolly | LDW | Mechanics Building, Boston | WIN Technical knockout |
| 1942-12-04 | Art Morris | WWWWWW | Mechanics Building, Boston | LOST Points |
| 1942-10-13 | Norman Ryan | LWWWWL | Exposition Building, Portland | WIN Points |
| 1942-10-08 | Jackie Donohue | LLWWLW | Arena, Boston | WIN Points |
| 1942-10-06 | Norman Ryan | DLWWWW | Exposition Building, Portland | WIN Points |
| 1942-09-03 | Ray Brown | WWWWWW | Casino, Fall River | LOST KO |
| 1942-06-26 | Jack Donahue | W | Arena, Boston | WIN KO |
| 1942-06-05 | Al Couture | WDWLLL | Arena, Boston | WIN Points |
| 1942-03-17 | Eddie Letourneau | WDWLLL | Exposition Building, Portland | WIN Points |
| 1942-03-13 | Dave Andrews | WWWWWW | Boston Garden, Boston | LOST Technical knockout |
| 1942-02-20 | Nat Canata | WWWW | Providence | LOST Points |
| 1942-01-01 | Dave Andrews | W | Crescent Rink, Lowell | LOST Technical knockout |
| 1941-12-09 | Johnny Clancy | LL | Crescent Rink, Lowell | WIN Technical knockout |
| 1941-10-20 | Dick Howard | debut | Valley Arena, Holyoke | LOST Unanimous decision |