Twenty-three-year-old komusubi Onosato defeated sekiwake Abi on Sunday to win the Summer Grand Sumo Tournament in just his seventh tourney as a pro, making him the least-experienced champion in history.Onosato (12-3) entered the final day of the 15-day meet at Tokyo's Ryogoku Kokugikan with a one-win lead over a group of four wrestlers at 10-4, including Abi, who could have earned a spot in the championship playoff with a victory over the komusubi in their scheduled bout.The youngster needed mere seconds to get the better of his veteran opponent, spinning him to one side before shoving him …READ FULL ARTICLE
