Sergio Contreras boxer
- bouts
- 8
- won
- 2
- lost
- 6
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1957-11-28
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Mexico
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1959-06-11 | Hilario Espana | W | Puebla | LOST KO |
| 1958-11-29 | Paulino Montes | LWWWWW | Ciudad Obregon | LOST KO |
| 1958-08-07 | Rudy Sanchez | WLWWWL | Puebla | LOST KO |
| 1958-05-21 | Carlos Loyola | WWWLLW | Mexico City | LOST KO |
| 1958-04-02 | Enrique Castillo | WWWLLW | Mexico City | LOST Points |
| 1958-03-12 | Vaselinas Moreno | LL | Mexico City | WIN KO |
| 1958-02-19 | Humberto Vilchis | LWLLLL | Mexico City | WIN KO |
| 1957-11-28 | Roberto Ortega | WWWLWL | Puebla | LOST Points |