Sergio Sierra boxer
- bouts
- 6
- won
- 2
- lost
- 2
- draw
- 2
- Status
- inactive
- Division
- lightweight
- Debut
- 1988-06-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1967-04-04
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1996-06-07 | Jaime Balboa | WLLLLL | Monterrey | LOST KO |
| 1993-05-15 | Raymond Flores | LLLLWW | Carrizo Springs | DRAW Points |
| 1993-01-19 | Jamie Hernandez | debut | La Villa Real Convention Center, McAllen | WIN Technical knockout |
| 1991-03-22 | Angel Cintron | L | Jai Alai Fronton, Miami | DRAW Points |
| 1989-04-10 | Juan Aldape | debut | Memorial Coliseum, Corpus Christi | LOST Points |
| 1988-06-16 | Noel Rodriguez | debut | Marriott Market Center, Dallas | WIN Technical knockout |
