Dewey Grennan boxeador
- combates
- 12
- ganados
- 7
- perdidos
- 4
- empates
- 1
- Estado
- inactive
- División
- welterweight
- Debut
- 1917-03-13
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1922-10-18 | Earl Force | WWWW | Association Club, San Francisco | LOST Points |
| 1922-09-19 | Jimmy Butler | WWLWWL | Arcadia Pavilion, San Francisco | LOST Points |
| 1921-10-28 | Charlie Fitzgerald | WWW | Dreamland Rink, San Francisco | WIN Technical knockout |
| 1921-10-21 | George Ross | WWWWD | Dreamland Rink, San Francisco | DRAW Points |
| 1921-10-07 | Ernie Lundgren | WWDL | Dreamland Rink, San Francisco | LOST Points |
| 1921-09-09 | Mickey O'Donnell | DWLW | Coliseum, San Francisco | WIN Technical knockout |
| 1921-09-02 | Johnny Driscoll | debut | Coliseum, San Francisco | WIN KO |
| 1921-08-08 | Tommy Comiskey | L | Vallejo | LOST Points |
| 1921-07-29 | Tommy West | LWL | Coliseum, San Francisco | WIN Points |
| 1921-07-22 | Jimmy Brady | D | Coliseum, San Francisco | WIN Technical knockout |
| 1917-03-30 | Gene Cline | debut | Dreamland Rink, San Francisco | WIN Points |
| 1917-03-13 | Joe Lynch | L | Valencia Theater, San Francisco | WIN KO |