Guatemala’s Lester Martínez delivered a spectacular fourth-round knockout against Joeshon James on March 22, 2025, successfully defending his WBA Continental Americas Super Middleweight Title in dominant fashion.

Fighting at the Orange Show Events Center in San Bernardino, California, Martínez put on a statement-making performance, reinforcing his reputation as a rising force in the division. The unbeaten powerhouse now boasts a perfect 19-0 record, with a staggering 16 wins by knockout.

Martínez showcased his explosive power and pinpoint accuracy throughout the bout, sending James to the canvas in the third round before sealing the deal with another devastating knockdown in the fourth. The referee had seen enough, stopping the fight and awarding Martínez another emphatic victory.

This win marks not only his first successful title defense, but also a historic moment for Guatemalan boxing as Martínez continues his march toward the sport’s elite ranks.