By Jhonny Gonzalez
The super flyweight champion of the World Boxing Organization (WBO), Omar Narvaez of Argentina will make a mandatory defense of his title on April 20th against Mexico's once-beaten Daniel Rosas (15-1, 9KOs), according to the latest reports in the country. The fight is going to take place in Argentina. The venue has yet to be finalized. Narvaez (38-1-2, 20 KOs), 37, in his last fight retained the championship with a unanimous decision over twelve rounds against Boricua David Quijano, which took place on December 15 in the city of Tucumán.