The Spring Grand Sumo Tournament, set to open next weekend, will be held behind closed doors for the first time in history due to the ongoing coronavirus crisis, the sport's governing body said Sunday.The Japan Sumo Association's board of directors made the decision in an extraordinary session in Osaka. Having already ruled out the possibility of staging the 15-day meet under normal conditions, the JSA weighed whether to hold the event at Edion Arena Osaka behind closed doors or call it off completely.While grand sumo tournaments have been canceled twice in the past, JSA Chairman Hakkaku sa…READ FULL ARTICLE