Guillermo Contreras boxeador
- luta
- 10
- vitória
- 0
- derrota
- 10
- empate
- 0
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1991-07-19
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- Mexico
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 2000-12-17 | Victor Maciel | DLWLLL | Guadalajara | LOST Technical knockout |
| 2000-05-19 | Juan Carlos Sanchez | LLLWWW | Auditorio Benito Juarez, Los Mochis | LOST Unanimous decision |
| 2000-05-05 | Juan Carlos Sanchez | LLLLWW | LOST Technical knockout |
|
| 1998-12-18 | Jose Luis Cruz | WWWWWW | LOST KO |
|
| 1996-06-29 | Javier Santibanez | LWWWWW | Mexico City | LOST Technical knockout |
| 1996-02-24 | Eric Ramon Vazquez | WWLLWW | Mexico City | LOST Technical knockout |
| 1994-02-26 | Gabino Mendoza | LWWLWW | Mexico City | LOST Technical knockout |
| 1993-10-30 | Marco Antonio Lizarraga | WLLLLL | Ciudad Juarez | LOST Points |
| 1992-06-20 | Jesus Osuna | WWWWWD | LOST Points |
|
| 1991-07-19 | Rene Francisco Herrera | WWWLW | Gimnasio Municipal "Jose Neri Santos", Ciudad Juarez | LOST Unanimous decision |