Gilberto Ramirez furthers standing at 168 with Fulgencio Zuniga stoppage (photos)

Mexican Gilberto “Zurdo” Ramirez was crowned as the new International Super Middleweight Champion of the World Boxing Organization (WBO) by defeating the Colombian Fulgencio Zuniga via knockout in the eighth round.

The Saturday night win, which was organized by Top Rank and Zanfer at the Alamodome in San Antonio, Texas, United States and aired on HBO and Azteca 7, pushed Ramirez’s record to 30-0 with 24 knockouts.

Ramirez used his strength and speed to win each round, until Zuniga was stopped at 40 seconds of the eighth round. With this victory, “Zurdo” Ramirez won the WBO international title, maintaining a high position in the rankings as Zúñiga felll to 27-10 with 24 knockouts.

Meanwhile in the co-feature bout, two-time Mexican Olympian Oscar Valdez (14-0, 12 KOs) won by TKO in the seventh round against his compatriot Alberto Garza. An accumulation of punches by Valdez caused the referee step in and halt the fight at 1:29 of the seventh session.

Also on the bill, lightweight Ivan Najera (14-0, 8 KOs) defeated Luis Cervantes (7-9-3, 2 KOs) by unanimous decision in eight rounds and Casey Ramos (19-0, 15 KOs) won on points against Manual Rojas (9-2, 2 KOs). Another fight saw Oleksandr Gvozdyk (4-0, 3 KOs) knock out veteran operator Otis Griffin (24-18-2, 10 KOs) to remain undefeated.

Pictures by Mikey Williams / Top Rank