Modesto Massera boxeador
- combates
- 13
- ganados
- 7
- perdidos
- 2
- empates
- 4
- Estado
- inactive
- División
- welterweight
- Debut
- 1936-12-01
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1939-05-16 | Lou Schwartz | W | Broadway Arena, Brooklyn | DRAW Points |
| 1939-04-04 | Solly Gerstler | LLDWWW | Broadway Arena, Brooklyn | LOST KO |
| 1938-04-25 | Sammy Perez | LWWLLL | National Hall, San Francisco | DRAW Points |
| 1938-04-11 | Joe Torres | debut | National Hall, San Francisco | DRAW Points |
| 1938-03-28 | Danny Gonzalez | DLWLLL | National Hall, San Francisco | WIN Points |
| 1938-02-28 | Johnny Vierra | LWL | National Hall, San Francisco | WIN Points |
| 1938-01-31 | Ray Delgado | WLLLDL | National Hall, San Francisco | WIN KO |
| 1937-06-29 | Jack Giacalone | LWWDLW | Canarsie Stadium, Brooklyn | WIN Points |
| 1937-06-15 | Victor Roma | WLD | Coney Island Velodrome, Brooklyn | WIN KO |
| 1937-06-08 | Victor Roma | WL | Broadway Arena, Brooklyn | DRAW Points |
| 1937-06-01 | Joe LaGuardia | WWLWWW | Coney Island Velodrome, Brooklyn | WIN Points |
| 1937-04-06 | Lloyd Lasky | WW | Broadway Arena, Brooklyn | LOST Points |
| 1936-12-01 | Roy Vallee | debut | Broadway Arena, Brooklyn | WIN Points |