NAGOYA - One week into the 15-day Nagoya Grand Sumo Tournament, the title race remains wide open. Ozeki Kirishima, a yokozuna hopeful, Ukrainian sekiwake Aonishiki and five rank-and-file wrestlers shared the lead at 6-1 on Saturday, with yokozuna Hoshoryu among a large pack chasing at 5-2 and fellow yokozuna Onosato at 4-3.Here is a digest of the tournament's opening week.Sunday, July 12 - Onosato fell to a worrying opening day defeat while his fellow returning grand champion, Hoshoryu, triumphed as the Nagoya Grand Sumo Tournament began on Sunday.Monday, July 13 - Grand champion Onosat…READ FULL ARTICLE