TOKYO (UPI) - Grand champion Tochinishiki charged fast and drove out Tsurugamine for his seventh win Saturday in the year's first sumo tournament.
    Taiho kept pace with Tochinishiki as the only two undefeated wrestlers in the top division after seven days of competition. Taiho defeated Oginohana with an arm throw.
    Kaizan disappeared from the list of undefeated wrestlers when he was thrown out of the ring by fast-charging Naruyama.