Yokozuna Hakuho improved to a perfect 10-0 Tuesday at the Spring Grand Sumo Tournament, but a pair of wrestlers remain just one win behind the all-time championship record holder on the leaderboard.Hakuho toppled Tamawashi on the 10th day of the 15-day meet at Edion Arena Osaka, avenging his defeat at the January tourney eventually won by the Mongolian sekiwake.A pair of rank-and-file wrestlers -- No. 4 maegashira Ichinojo and No. 7 Aoiyama -- moved up to 9-1 to keep up their pursuit.For the second time in the tournament, Hakuho escaped from a dangerous situation to snatch victory after Tam…READ FULL ARTICLE