Omar Andres Narvaez vs. William Urina
2011-06-11 : Omar Andres Narvaez 114¾ lbs beat William Urina 114¼ lbs by UD in round 12 of 12
- Location: Estadio Luna Park, Buenos Aires, Distrito Federal, Argentina
- Referee: Roberto Ramirez Sr.
- Judge: Ignacio Robles 117-110
- Judge: Luis Alberto Doffi 117-110
- Judge: Luis Romio 117-110
- World Boxing Organization Super Flyweight Title (3rd defense by Narvaez)
- Omar Andres Narvaez 34-0-2 (19KOs) vs. William Urina 17-1 (14 KOs)
- Narvaez entered as the # 3 junior bantamweight in the world according to The Ring Magazine. Urina, a 15/1 betting underdog , was unranked by the same publication. 
- Narvaez was originally set to meet Juan Carlos Sanchez Jr. who pulled out of the fight. 
- For Urina, it was only his second bout outside his native Colombia. In his previous bout, he lost in Mexico by unanimous decision to Johnny Garcia.
- Urina was deducted a point in the sixth round for repeated low blows.