Namibian challenger Paulus Moses (L) lands a right hook on World Boxing Association lightweight defending champion Yusuke Kobori of Japan during their title bout in Yokohama, south of Tokyo. Moses wrested the World Boxing Association lightweight title from Kobori by a unanimous decision victory on Saturday.

New World Boxing Association (WBA) lightweight champion Paulus Moses of Namibia holds the winning trophies after beating defending champion Yusuke Kobori of Japan in their title bout in Yokohama on January 3, 2009. Moses of Namibia wrested the title from Kobori by a unanimous decision victory. AFP PHOTO / JIJI PRESS (Photo credit should read STR/AFP/Getty Images)

Challenger Genaro Garcia, right, of Mexico knees on the mat after he was down in a bout against champion Toshiaki Nishioka of Japan during the 4th round of WBC Super Bantamweight world title match in Yokohama, Japan, Saturday, Jan. 3, 2009. Referee is Bruce McTavish of Philippines

Japanese champion Toshiaki Nishioka holds his child and winning trophy after beating Mexican challenger Genaro Garcia (not in photo) at the World Boxing Council (WBC) super bantamweight title bout in Yokohama on January 3, 2009. Nishioka pulled off a technical knockout victory over Garcia to defend his title. AFP PHOTO / JIJI PRESS (Photo credit should read STR/AFP/Getty Images)

Japanese champion Toshiaki Nishioka (top) celebrates his win over Mexican challenger Genaro Garcia (not in photo) after their World Boxing Council (WBC) super bantamweight title bout in Yokohama on January 3, 2009. Nishioka pulled off a technical knockout victory over Garcia to defend his title. AFP PHOTO / JIJI PRESS (Photo credit should read STR/AFP/Getty Images)