Onosato was promoted to sumo's highest rank of yokozuna on Wednesday, attaining the honor at a record pace after competing in just 13 professional tournaments.The 24-year-old from Ishikawa Prefecture became the 75th yokozuna and the first Japanese-born grand champion since his stablemaster Nishonoseki, who wrestled as Kisenosato and won his promotion after the New Year meet in 2017."I'll devote myself to training in order not to bring the rank of yokozuna into disrepute, and aim for a one-of-a-kind yokozuna," Onosato said during a promotion ceremony at his Nishonoseki stable in Ami, Ibaraki…READ FULL ARTICLE