New yokozuna Onosato blew away rising Ukrainian talent Aonishiki, but fellow grand champion Hoshoryu suffered his first loss in an upset against top-ranked maegashira Wakamotoharu at the Nagoya Grand Sumo Tournament on Monday.Star attraction Onosato maintained his perfect record as a grand champion with an overwhelming victory against No. 1 maegashira Aonishiki in the final bout of Day 2 at IG Arena.The 21-year-old European had caused a sensation with his opening-day victory over ozeki Kotozakura, but he had no chance to spring another upset as he was bulldozed straight off the dohyo by the…READ FULL ARTICLE