Hawaiian boxer remains undefeated

TUCSON, Ariz. -- Brian Viloria defended his North American
Boxing Federation flyweight title with an 11th round knockout of
Gilberto Keb Bass on Friday night.

Viloria, from Waipahu, Hawaii, used a powerful left hook to the
body that sent Bass to the canvas in the scheduled 12-round fight.

He improved to 15-0 with nine KOs. Keb Bass, from Hunucma, Mexico,
fell to 22-11-1.

Viloria, a two-time junior Olympic gold medalist, beat Keb Bass'
brother, Juan Alfonso, on Feb. 13 in Connecticut in his fourth
title defense.