Unbeaten super flyweight David “El General” Cuellar (20-0, 13 KOs) scored a brutal sixth round knockout over former world champion Moises Fuentes (25-7-1, 14 KOs) on Saturday at the Oasis Arena in Cancun, Mexico. Competitive fight until the 19-year-old Cuellar’s crushing left hook put Fuentes down and out. Time was 2:11. Fuentes was taken from the ring on a stretcher.

Unbeaten welterweight Taras Shelestyuk (19-0, 11 KOs), who captured a bronze medal for Ukraine at the 2012 London Olympics, scored a tenth round TKO over Ernesto Espana (31-3-1, 26 KOs). After nine workmanlike rounds, Shelestyuk got a referee’s stoppage with 15 seconds left in the bout. Espana complained about the stoppage.

Junior featherweight prospect Cristopher “Pollo” Lopez (14-0-1, 10 KOs) extended his winning streak to eight with a ten round unanimous decision against Franklin Manzanilla (20-7, 19 KOs). Two knockdowns. Scores were 95-93, 97-91, 98-89.