TOKYO - A mishap involving a referee left maegashira Okinoumi in the sole lead of the Autumn Grand Sumo Tournament on Friday, the sixth day of competition.No. 8 maegashira Okinoumi started the day at Ryogoku Kokugikan with a 5-0 record along with sekiwake Takakeisho. But Takakeisho lost when he appeared to have been accidently tripped by referee Tamajiro Kimura.Yokozuna Kakuryu (4-2) ended the surprising day when he was shoved out by No. 3 Daieisho (2-4).Having lost all four of his previous bouts against Kakuryu, Daieisho doggedly fended off the Mongolian grand champion, who is seeking his…READ FULL ARTICLE