William Blanco boxer
- bouts
- 15
- won
- 2
- lost
- 10
- draw
- 3
- Status
- inactive
- Division
- lightweight
- Debut
- 1970-11-21
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Colombia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1985-03-02 | Jorge Manchego | debut | San Andres | LOST Points |
| 1979-09-14 | Martin Rojas | WWW | Barranquilla | LOST KO |
| 1978-02-18 | Leonidas Asprilla | WWWWWW | Plaza de Toros de Cartagena de Indias, Cartagena | LOST KO |
| 1977-10-28 | Clemente Rojas | WWLLLW | Barranquilla | DRAW Points |
| 1977-09-30 | Miguel Betruz | LDLWLW | Plaza de Toros de Cartagena de Indias, Cartagena | DRAW Points |
| 1977-06-05 | Victor Pacheco | WWWLWW | San Andres | DRAW Points |
| 1977-04-22 | Victor Pacheco | WWWWLW | Plaza de Toros de Cartagena de Indias, Cartagena | LOST Corner retirement |
| 1977-01-30 | Fernando Ochoa | WWLL | Cartagena | WIN Unanimous decision |
| 1976-02-28 | Niliberto Herrera | WWWLDW | Caracas | LOST Technical knockout |
| 1975-04-11 | Jose Teodomiro Casas | WWWWWW | Cordoba | LOST KO |
| 1972-03-10 | Hugo Barraza | WWWWWW | Barranquilla | LOST KO |
| 1972-01-14 | Emilio Paredes | LL | Santiago de Chile | LOST Technical knockout |
| 1971-02-06 | German Espinosa | WLLWLW | Girardot | LOST Points |
| 1970-11-21 | Carlos Mendoza | WDWLWL | Arena de Colon, Colon City | LOST KO |