Harold Dettman (Jimmy Nelson) boxer
- bouts
- 51
- won
- 24
- lost
- 25
- draw
- 2
- Status
- inactive
- Division
- middleweight
- Debut
- 1936-05-27
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1948-03-16 | Johnny Komlo | WWDWLD | Arena, Cleveland | WIN Points |
| 1947-01-21 | Tommy Yarosz | WWWWWW | Duquesne Gardens, Pittsburgh | LOST Technical knockout |
| 1946-12-09 | Dusty Wilkerson | WLWWWW | Arena, Philadelphia | LOST Points |
| 1946-12-02 | Langston Dennis | LWLLWW | St. Nicholas Arena, New York | WIN Points |
| 1946-11-08 | Prentiss Hall | WWWWWW | Brighton Theater, Syracuse | LOST Technical knockout |
| 1946-10-21 | Tom McKeagney | LWLWLW | Rhode Island Auditorium, Providence | LOST Points |
| 1946-10-07 | Tommy Doyle | LLWWWL | Rhode Island Auditorium, Providence | WIN Technical knockout |
| 1946-08-22 | Abel Gonsalves | LLWWWL | Woonsocket | LOST Points |
| 1946-08-08 | Abel Gonsalves | WLLWWW | Woonsocket | WIN Points |
| 1946-07-12 | Ellis Stewart | LWWWWW | Wahconah Park, Pittsfield | LOST Points |
| 1946-06-13 | Cleve Bailey | LLWLWL | Exposition Building, Portland | WIN Unanimous decision |
| 1946-06-03 | Tommy Sullivan | WWWWWW | Mechanics Building, Boston | LOST Unanimous decision |
| 1946-05-22 | Tuffy Reed | WWWWWL | Providence | WIN Points |
| 1946-05-02 | Lloyd Gibson | WWWWWW | Casino, Fall River | LOST Points |
| 1946-04-01 | Saint Paul | LWLDWL | Valley Arena, Holyoke | LOST Unanimous decision |
| 1945-12-10 | Tommy Garland | WLWWWL | Ocean Park Arena, Santa Monica | LOST Unanimous decision |
| 1945-10-26 | Tim Kelly Hefferman | WWWWLW | Coliseum, San Diego | LOST Points |
| 1945-01-29 | Louis Long | WLWWWW | Rhode Island Auditorium, Providence | LOST Technical knockout |
| 1945-01-08 | Joe Reddick | LWLLWL | Rhode Island Auditorium, Providence | WIN Unanimous decision |
| 1944-11-27 | Joe Reddick | DLLWLL | Rhode Island Auditorium, Providence | LOST Split-decision |
| 1944-11-13 | Joe Reddick | WDLLWL | Providence | WIN Points |
| 1944-03-24 | Johnny Finazzo | LLLLDL | U.S.O. Auditorium, Norfolk | LOST Points |
| 1944-03-03 | Lou Bass | WWLWWW | U.S.O. Auditorium, Norfolk | WIN Points |
| 1944-01-24 | Jimmy Bell | WLWWW | Turner's Arena, Washington | LOST Points |
| 1942-07-23 | Charley Hayes | WWWW | Arena, Cleveland | LOST Points |
| 1942-04-17 | Bobby Berger | WLLLLL | Olympia Stadium, Detroit | WIN Points |
| 1940-02-19 | Altus Allen | WLWLWD | Marigold Gardens, Chicago | LOST Technical knockout |
| 1940-01-01 | George Burnette | DWWWWW | Fair Grounds Coliseum, Detroit | LOST Points |
| 1939-11-24 | Jimmy Reeves | WWWW | Public Hall, Cleveland | LOST Points |
| 1939-08-11 | Clay Rowan | LWWWWW | Legion Stadium, Hollywood | WIN Technical knockout |
| 1939-06-23 | Lloyd Marshall | WWLLWW | Memorial Auditorium, Sacramento | LOST Technical knockout |
| 1939-03-20 | George Burnette | WLWWLW | Arena, Dearborn | LOST Points |
| 1939-02-03 | Joe Sutka | DWWWWL | Olympia Stadium, Detroit | WIN Points |
| 1938-12-06 | Joe Sutka | WDWWWW | Arena Gardens, Detroit | WIN Technical knockout |
| 1938-03-29 | Sammy Grippe | LLLLLL | Ashtabula | WIN Points |
| 1938-02-19 | George Baratko | WLWWLW | Public Hall, Cleveland | WIN Points |
| 1937-12-07 | Sal Herrera | LLLLWD | Olympic Auditorium, Los Angeles | WIN Points |
| 1937-09-17 | Mario Duccini | WWDDLL | Dreamland Auditorium, San Francisco | WIN Points |
| 1937-09-07 | Bobby Yannes | WWWWLW | Olympic Auditorium, Los Angeles | WIN Technical knockout |
| 1937-08-16 | Clay Rowan | DWWWWW | Civic Auditorium, San Francisco | DRAW Points |
| 1937-07-20 | Bobby Yannes | WWWWWW | Olympic Auditorium, Los Angeles | WIN Points |
| 1937-05-25 | Sammy Grippe | LLLWLL | Public Hall, Cleveland | WIN Points |
| 1937-04-01 | Tiger Joe Randall | LWLWL | Palisades Rink, McKeesport | LOST Points |
| 1937-02-19 | George Baratko | WWLWWW | Youngstown | WIN Points |
| 1937-01-22 | Whitey Schramm | WWWWWW | K. of C. Hall, Oil City | WIN Points |
| 1936-12-28 | Whitey Schramm | WWWWW | Duquesne Gardens, Pittsburgh | LOST Majority decision |
| 1936-12-14 | Sammy Grippe | WWLL | Public Hall, Cleveland | WIN Points |
| 1936-11-23 | Max Elling | LWLWWL | Islam Grotto, Pittsburgh | DRAW Points |
| 1936-11-09 | Whitey Schramm | WWWW | Moose Lodge, Pittsburgh | LOST Points |
| 1936-09-16 | Al McCurdy | debut | Central Armory, Cleveland | WIN KO |
| 1936-07-01 | Joe Anderson | WWDWLW | Convention Hall, Toledo | WIN |
| 1936-05-27 | Tony Koenig | WWWWWW | Parkway Arena, Cincinnati | LOST KO |
