Young Leonard boxer
- bouts
- 34
- won
- 10
- lost
- 20
- draw
- 4
- Status
- inactive
- Division
- bantamweight
- Debut
- 1917-03-02
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1930-04-11 | Jimmy Sawyer | LWWLDD | Arcadia Auditorium, Portsmouth | LOST Points |
| 1924-12-16 | Young Dupre | debut | Casino, Fall River | LOST Points |
| 1924-12-01 | Dominic DiVoto | debut | Casino Hall, Lynn | WIN KO |
| 1924-05-29 | Benny Nelson | WWLWWL | Crescent Rink, Lowell | LOST Technical knockout |
| 1923-12-10 | Eddie Mullen | debut | Casino Hall, Lynn | WIN Technical knockout |
| 1923-03-05 | Happy Harlan | debut | Crescent A.C., Manchester | WIN Points |
| 1921-12-13 | Doddy O'Neil | WLWLDL | Newmarket | LOST Points |
| 1921-09-02 | Steve Travers | DLWLDL | Quamphegan Park, South Berwick | LOST |
| 1921-08-22 | Soldier Turcotte | WL | Quamphegan Park, South Berwick | WIN |
| 1921-03-14 | Young Dempsey | LDWWWW | Worcester | LOST KO |
| 1921-02-21 | Young Dempsey | WLDWWW | Service Men's AC, Worcester | LOST Points |
| 1920-07-31 | Al Diamond | WWWWLW | Alumni Field, Lowell | LOST Points |
| 1920-05-20 | Young Steve | debut | Crescent Rink, Lowell | LOST Technical knockout |
| 1920-05-06 | John George | debut | Coliseum, Quincy | LOST KO |
| 1920-04-16 | Steve Travers | LWWDDL | Armory, Biddeford | LOST KO |
| 1920-03-26 | Mike Malia | LLLLWD | O'Donnell Hall, Nashua | LOST Points |
| 1920-01-23 | Barney McIntee | debut | Commercial A.C., Boston | LOST KO |
| 1920-01-16 | Johnny Mack | debut | Marlboro Driving Club, Marlboro | LOST Points |
| 1920-01-01 | Young Mack | debut | Driving Club, Marlborough | LOST Points |
| 1919-11-12 | Young Dempsey | WWWWLW | Freeman's Hall, Portsmouth | DRAW Points |
| 1919-11-07 | Battling Morris | debut | Marlborough Driving Club, Marlborough | WIN Technical knockout |
| 1919-10-09 | Kid Thomas | WDWDLD | Crescent Rink, Lowell | LOST Points |
| 1919-09-26 | Kid Thomas | LWDWDL | Crescent Rink, Lowell | DRAW Points |
| 1919-05-05 | Red Jack Madden | debut | Freeman's Hall, Portsmouth | WIN Points |
| 1919-04-11 | Phil Christie | W | Commercial A.C., Boston | LOST Points |
| 1919-03-10 | Young Dempsey | WWW | Freeman's Hall, Portsmouth | LOST Points |
| 1919-02-13 | Babe Cross | L | Casino Hall, Lynn | DRAW Points |
| 1919-02-04 | Dave Cross | debut | Salem A.A., Salem | DRAW Points |
| 1918-10-29 | Young Dempsey | W | Arena, Boston | LOST Technical knockout |
| 1918-10-25 | Kid Ross | LL | Marlborough Driving Club, Marlborough | WIN Points |
| 1918-07-01 | Kid Gallagher | debut | Douglas A.C., Chelsea | LOST Points |
| 1918-06-24 | Steve Roberts | debut | Douglas A.C., Chelsea | WIN Points |
| 1918-06-14 | Young Mahoney | W | Commercial A.C., Boston | WIN KO |
| 1918-06-10 | Dash Palian | debut | Douglas A.C., Chelsea | WIN Points |
| 1917-03-02 | Dan McCormick | L | Commonwealth A.C., Boston | LOST KO |