By Miguel Rivera, photos by Rene Perez

Mexico's Fernando Castañeda knocked out Colombian Fidel Monterroza to capture the World Youth Welterweight Championship (WBC) at the Lobo Dome of Mazatlan, Sinaloa. Three authentic left hand missiles left the Colombian boxer lying on the canvas in the eighth round. Castaneda wins the first title in his promising career. Castaneda raised his record to 16 wins (10 KOs) and 4 setbacks. And Monterroza falls to 26 wins (23 KOs) and 4 defeats.

Janeth Perez was Mexico's new world bantamweight champion of the World Boxing Association (WBA), as she stopped Colombian Yolis Marrugo in the seventh round. Perez ended her work at one minute and 58 seconds of the seventh round, when referee Romina Arroyo stopped the fight seconds after Marrugo was punished with two solid hard shots in a neutral corner.

Janeth Perez raised her record to 13 wins, 4 by knockout, no defeats and one draw. While Marrugo falls to 13 wins, 8 losses and 3 draws.

In another championship fight, Mexico's Gilberto "Lefty" Ramirez stopped Colombian Oney Valdes in two rounds. Ramirez defended for the first time his World Youth middleweight belt (WBC).

Denis "Hammer" Contreras added another knockout to his rising career by winning in the fifth round with a TKO over Jesus "Lefty" Valenzuela in a Super Bantamweight clash. Contreras (8-0, 7 KOs) scored three knockdowns, in the second round, the third and the final decking came in the fifth.

Meanwhile, lefty Jorge Jalisco "Pylon" Lara, remained undefeated by winning a unanimous decision over his compatriot Jesus "Nakazato" Ceja in an eight round bout at bantamweight. Lara raised his record to 9 wins (6 KOs) and one draw.