By CARLO ANOLIN
John Riel Casimero defeated veteran Cuban boxer Guillermo Rigondeaux to retain his WBO bantamweight belt at the Dignity Health Sports Park in Carson, California Sunday, Aug. 15 Manila time.
In a crowd showered with lots of boos, Casimero scored a split decision win 113-115, 116-112, 117-111.
Casimero improved to a 31-4 record with 21 knockouts at hand while Rigondeaux fell to a 20-2 slate with 13 KOS.
