Toshiaki Nishioka beats Rendall Munroe

TOKYO -- Japan's Toshiaki Nishioka has defeated England's Rendall Munroe by a unanimous decision to defend his WBC super bantamweight title.

All three judges scored Sunday's bout 119-109 in favor of Nishioka, who improved to 37-4 with 23 knockouts and three draws after his fifth successful title defense.

It was Munroe's second defeat in 22 fights.

Nicaragua's Roman Gonzalez stopped Mexican Francisco Rosas in the second round to claim the WBA interim light flyweight title in an undercard bout.

Gonzalez improved to 27-0, including 23 KOs. Rosas fell to 21-8-2.