Yokozuna Hakuho, who was diagnosed with a torn biceps tendon after winning his 42nd title in March, has withdrawn from the upcoming Summer Grand Sumo Tournament, his stablemaster Miyagino said Thursday.According to Miyagino, the Mongolian grand champion told him Wednesday evening that he has not fully recovered from his right arm injury and has decided to pull out of the May 12-26 tournament at Tokyo's Ryogoku Kokugikan."He should be well in a month or so. He said yesterday he is at the 70-percent recovery point. It's not a long-term injury," Miyagino said."He's gradually getting better but…READ FULL ARTICLE