Yokozuna Terunofuji pulled out of the Autumn Grand Sumo Tournament on Tuesday after suffering injuries to both his knees, with the sport's lone top-ranked wrestler requiring three weeks to recover.The Mongolian-born 30-year-old, who lost to No. 4 maegashira Takayasu on Monday for his fourth defeat at Ryogoku Kokigikan, has been showing signs of discomfort in his long-troubled right knee this month."He's been wrestling with pain-killing injections. It's not about having a rest, he needs to heal it properly," his stablemaster Isegahama said."He could require a surgery in a certain scenario. B…READ FULL ARTICLE