A "nervous" Kenshiro Teraji kept his composure to claim the vacant WBC flyweight championship with an 11th-round technical knockout of Cristofer Rosales at Tokyo's Ariake Arena on Sunday.Making the step up from light flyweight for the first time, the Japanese boxer took the initiative early against his Nicaraguan opponent, who was accompanied to the ring by Mexico's three-federation super middleweight champion Saul "Canelo" Alvarez, with whom he shares trainer Eddy Reynoso.The 32-year-old Teraji appeared to break Rosales' nose with a punishing right hand around a minute into the third round…READ FULL ARTICLE