Exciting young Ukrainian grappler Aonishiki caused another sensation Tuesday at the Nagoya Grand Sumo Tournament, upsetting yokozuna Hoshoryu in the final bout of Day 3 at IG Arena.New yokozuna Onosato, meanwhile, continued his impressive start to the 15-day competition, improving to 3-0 with a victory over No. 1 maegashira Wakamotoharu.Having beaten ozeki Kotozakura on the opening day of the tournament, the 21-year-old Aonishiki (2-1) recorded the biggest win of his brief career, earning his first "kinboshi" gold star prize for defeating a yokozuna as a rank-and-file wrestler.The No. 1 mae…READ FULL ARTICLE