Ascendant star Onosato will be under an intense spotlight as he makes his yokozuna debut at the Nagoya Grand Sumo Tournament starting Sunday, joining Mongolian-born Hoshoryu at the highest rank.The 25-year-old powerhouse will step onto the dohyo at the newly opened IG Arena as the sport's first Japanese-born grand champion since his stablemaster, the former Kisenosato, hung up his "mawashi" belt in January 2019.Onosato also aims to emulate Kisenosato by becoming one of the small handful of yokozuna to lift an Emperor's Cup in their first tournament at the highest rank.Having earned promotio…READ FULL ARTICLE