TOKYO, Nov. 10 - Two of the three "yokozuna" grapplers -  Terukuni and Maedayama, tasted their second defeats at the hands of Saganohana and Shionoumi, respectively, on the seventh day 11 day autumn main sumo tourney at the Meiji Shrine sumo ring here today.
    The grand champion in the professional sumodom, is still maintaining his winning streak since the opening day.