Johnny Mastro boxeador
- combates
- 8
- ganados
- 3
- perdidos
- 5
- empates
- 0
- Estado
- inactive
- División
- lightweight
- Debut
- 1929-12-05
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1933-07-11 | Al Celantano | LLLWWL | South Park Arena, Hartford | LOST Points |
| 1933-06-13 | Frankie Paul | WWWWL | Crystal Lake | LOST Points |
| 1932-10-13 | Johnny Pinkham | LWLWLD | Foot Guard Hall, Hartford | WIN Points |
| 1932-02-11 | Brownie Tucker | WLWLLW | Foot Guard Hall, Hartford | LOST Points |
| 1931-10-26 | Jackie Dillon | LLWWLL | Foot Guard Hall, Hartford | WIN Points |
| 1931-08-24 | Jackie Dillon | LLWLLW | Hurley Stadium, East Hartford | LOST Points |
| 1931-07-07 | Mike De Franco | debut | Hurley Stadium, East Hartford | WIN Technical knockout |
| 1929-12-05 | Johnny Londos | WL | Foot Guard Hall, Hartford | LOST Technical knockout |