Ozeki Onosato moved to the brink of back-to-back championships and yokozuna promotion as he took a three-bout lead in the title race Thursday at the Summer Grand Sumo Tournament.The 24-year-old ozeki improved to a perfect 12-0 with a decisive victory against up-and-coming No. 7 maegashira Hakuoho before his nearest rival for the championship, lone yokozuna Hoshoryu, dropped to 9-3 with a loss to sekiwake Kirishima on Day 12.If he defeats fellow ozeki Kotozakura on Friday, Onosato will clinch his fourth Emperor's Cup, along with promotion to sumo's highest rank, with two days remaining at To…READ FULL ARTICLE