Georgian sumo wrestler Tochinoshin, who competed at the traditional Japanese sport's second-highest rank, ozeki, announced his retirement Friday.The 35-year-old Kasugano stable representative, whose real name is Levan Gorgadze, had been wrestling in the second-tier juryo division. On Thursday, his record at the ongoing Summer Grand Sumo Tournament at Tokyo's Ryogoku Kokugikan fell to 0-5."I've been unable to generate any power," said Gorgadze, whose left shoulder, injured in January, has only gotten worse. "I've become fearful of wrestling."Gorgadze won one grand sumo tournament, in January…READ FULL ARTICLE