Guillermo Alvarez (Billy Alvarez) boxeador
- luta
- 8
- vitória
- 2
- derrota
- 6
- empate
- 0
- Estado
- inactive
- divisão
- bantamweight
- Estreia
- 1928-04-22
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- 1911-02-11
- Death
- -
- Nascimento
- Puerto Rico
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1931-05-10 | Jaime Vera | debut | San Juan Stadium, San Juan | WIN |
| 1929-08-23 | Victor Montalvo | DWDL | Victory Garden Stadium, San Juan | LOST Technical knockout |
| 1929-05-17 | Vicente Abadia | debut | Victory Garden Stadium, San Juan | LOST Points |
| 1929-03-22 | Luciano Rosario | WD | Victory Garden Stadium, San Juan | LOST |
| 1929-02-08 | Ramon Rodriguez | WWWLLW | Victory Garden Stadium, San Juan | LOST Points |
| 1928-12-09 | Luis M Caballero | WDWLWW | Caguas Stadium, Caguas | LOST Technical knockout |
| 1928-06-17 | Jose Vidal | W | Balboa Stadium, Mayaguez | WIN Technical knockout |
| 1928-04-22 | Pedro Rodriguez Nieves | debut | Loubriel Stadium, Bayamon | LOST Points |