Lone yokozuna Terunofuji announced his retirement on Friday as the 10-time winner of the elite makuuchi division drew the curtain on a roller-coaster career plagued by injuries.The Mongolian-born 33-year-old was back in action at the New Year Grand Sumo Tournament after missing the last two meets entirely, but he suffered his second loss on Wednesday and forfeited his bout on Thursday to end with a 2-3 record."I haven't been able to wrestle the way I hoped to, and thought I shouldn't stand on the raised ring with a half-hearted mindset or body," Terunofuji told a press conference at Tokyo's…READ FULL ARTICLE