Osaka, Japan - Mexico's Tomas Rojas defeated Japan's Nobuo Nashiro by unanimous decision to retain his WBC super flyweight title on Saturday. Rojas improved to 35-12-1 with 23 knockouts. The 29-year-old Nashiro dropped to 14-3-1 with nine KOs. The 30-year-od Rojas was crowned champion after beating Japan's Kohei Kono in September. Photos by Sumio Yamada.