New ozeki Takakeisho has pulled out of the Summer Grand Sumo Tournament due to a right-knee injury, the Japan Sumo Association said Thursday.The 22-year-old wrestler, promoted to the sport's second-highest rank for the 15-day tournament which began Sunday at Tokyo's Ryogoku Kokugikan, sustained the injury in a bout against Mitakeumi on Wednesday. Though his yorikiri win over Mitakeumi moved him to 3-1, Takakeisho, the youngest wrestler in the top-tier makuuchi division, called his stablemaster Thursday morning to tell him he injured the ligament on the inside of his knee.Takakeisho was amo…READ FULL ARTICLE