Les Mason boxer
- bouts
- 21
- won
- 8
- lost
- 8
- draw
- 3
- Status
- inactive
- Division
- lightweight
- Debut
- 1921-06-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1923-12-14 | Trench King | WDDLDD | Stockton | LOST Points |
| 1923-11-27 | Henry Falegano | WWDLWD | Stockton | DRAW Points |
| 1923-11-09 | Billy Harold | LWLWW | Stockton | LOST Points |
| 1923-06-01 | Frank Gomez | WWDDLL | L-st Arena, Sacramento | WIN Points |
| 1923-02-06 | Tiger Jack Burns | LWLDW | Arcadia Pavilion, San Francisco | LOST Points |
| 1923-01-23 | Jimmy Fitten | WDDWLD | Arcadia Pavilion, San Francisco | LOST Points |
| 1922-11-14 | Bud Garber | WWWLLW | Arcadia Pavilion, San Francisco | WIN Points |
| 1922-11-07 | Fred Garber | L | Arcadia Pavilion, San Francisco | WIN |
| 1922-10-03 | Willie Green | WWWDD | Arcadia Pavilion, San Francisco | LOST Points |
| 1922-09-28 | Bobby Gray | DWW | Arcadia Pavilion, San Francisco | WIN Points |
| 1922-09-15 | Dandy Danny Martin | DWWWDD | Legion Stadium, Hollywood | DRAW Points |
| 1922-07-20 | Ad Rubidoux | DLWWL | San Bernardino | LOST Points |
| 1922-07-07 | Tiger Jack Burns | WWLLWW | Legion Stadium, Hollywood | WIN Points |
| 1922-06-29 | Ad Rubidoux | WLDDLW | San Bernardino | NC No Contest |
| 1922-06-27 | Pete Herman | DLWLLL | Arena, Vernon | WIN Points |
| 1922-06-09 | Art Springer | WWWLLW | Legion Stadium, Hollywood | WIN Points |
| 1922-06-02 | Art Springer | WWWWLL | Legion Stadium, Hollywood | LOST Points |
| 1922-05-26 | Young Dayton | LLW | Legion Stadium, Hollywood | WIN Points |
| 1921-12-23 | Al Cirimelli | WDD | Dreamland Rink, San Francisco | NC No Contest |
| 1921-08-17 | Dynamite Joe Murphy | WDWWW | Auditorium, Oakland | LOST Technical knockout |
| 1921-06-24 | Al Cirimelli | W | American Legion Hall, San Francisco | DRAW Points |