New komusubi Onosato took a giant stride toward his first championship on Saturday, seizing the sole lead with a day to go at the Summer Grand Sumo Tournament thanks to a loss by joint overnight leader ozeki Kotozakura.Looking calm and poised, the 192-centimeter, 181-kilogram Onosato (11-3) had the better of the opening clash with similarly-built Shonannoumi (9-5) and swiftly drove the No. 10 maegashira out at Tokyo's Ryogoku Kokugikan, knocking the rank-and-filer from the title race.Onosato, in his third tourney in the elite makuuchi division, went 11-4 in his first two meets, vying for th…READ FULL ARTICLE