TOKYO (UPI) - Tall Maegashira Kaizan scored a major upset Saturday by defeating Yokozuna Tochinishiki on the seventh day of the 15-day official autumn sumo tournament.
    Only two of the 54 wrestlers in the Makuuchi division remained undefeated after seven days of the tournament. They were top favorites Yokozuna Wakanohana and Ozeki Asashio.