Hermosillo, Mexico – Hernan Marquez retained his WBA round KO over Luis Concepcion.
Marquez (32-2, 25 KO) put Concepcion (23-3) on the deck three times before the match was stopped. Marquez won the title from Concepcion with an 11th-round TKO in April and made one defense between his bouts with the Panama native.
