Guillermo Barrera boxer
- bouts
- 4
- won
- 3
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- super flyweight
- Debut
- 1968-06-01
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- -
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1969-06-18 | Romeo Anaya | WWWWWW | Mexico City | LOST KO |
| 1968-11-16 | Tomas Ochoa | L | Arena Coliseo, Mexico City | WIN Technical knockout |
| 1968-10-10 | Frankie Granados | debut | Plaza de Toros, Torreon | WIN Technical knockout |
| 1968-06-01 | Miguel Portugal | debut | Arena Coliseo, Mexico City | WIN Technical knockout |