Zapopan, Mexico -- (Sports Network) - Veteran Oscar Larios knocked out Marlon Aguilar to retain his interim WBC featherweight championship on Saturday.

Larios of Mexico (62-6-1 39 Knockouts) stopped his Nicaraguan challenger (17-5-1) in the seventh round.

Larios originally won the interim crown with a technical knockout win over Feider Viloria of Columbia in May.