Yokozuna Hakuho maintained his flawless record at the Spring Grand Sumo Tournament on Friday, as the ranks of unbeaten wrestlers were whittled down to just two.The Mongolian superstar, who is pursuing a record-extending 42nd top-level championship at Edion Arena Osaka, overcame winless No. 3 maegashira Nishikigi by frontal force out in the penultimate bout on Day 6 of the 15-day tournament.For the second straight day, Hakuho was made to work hard by a rank-and-file opponent, this time escaping a throw attempt before driving his way to victory.Following a fierce collision, Nishikigi locked H…READ FULL ARTICLE