By Marclino Castillo, notifight.com

The World Boxing Council (WBC) has called for a purse bid for the flyweight match between WBC silver champion Luis "El Nica" Concepcion of Panama and mandatory challenger and world ranked No.5 WBC flyweight Nestor Daniel Narvaez of Argentina. The fight will go to a purse bid after exhausting negotiations between both sides. The WBC will reveal the purse bid details in the comings days, with Isthmus Promotions representing Concepcion (28-3, 21 KOs) and OR Promotions handling Narvaez (19-1-2-1, 9 KOs), the brother of super flyweight champion Omar Narvaez.