Omar Sierra boxer
- bouts
- 7
- won
- 0
- lost
- 6
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 2008-07-25
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1985-01-03
- Death
- -
- Nationality
- Mexico
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2013-11-09 | Luis Alberto Pelayo | LWWLWW | Auditoorio Manicipal Queretaro Andador Ninios Heroes, Tequisquiapan | LOST Technical knockout |
| 2013-07-06 | Jorge Rodriguez | WWWWW | Palenque de la Feria, Tepic | LOST KO |
| 2013-06-11 | Angel Martinez | debut | Explanada Municipal, Tepeji del Río de Ocampo | LOST Technical knockout |
| 2012-03-09 | Marino Mercado | LLLLLD | Explanada Municipal, Tepeji del Rio | DRAW Points |
| 2010-01-30 | Fernando Trejo | WWLLLL | Gimnasio San Damian, San Martin Texmelucan | LOST Technical knockout |
| 2008-11-29 | Erick Garduno | WLLWLW | Salon Rojo, Toluca | LOST Technical knockout |
| 2008-07-25 | Marino Mercado | WWW | Arena Adolfo López Mateos, Tlalnepantla | LOST Split-decision |
