A sumo stablemaster and five wrestlers have contracted the new coronavirus, the Japan Sumo Association said Saturday, casting doubts on whether next month's Summer Grand Sumo Tournament in Tokyo can go ahead as scheduled.According to the JSA, stablemaster Takadagawa has tested positive for the virus along with Hakuyozan, a wrestler at his stable in Tokyo who competes in the second-tier juryo division.Four wrestlers who belong to the lower divisions have also contracted the virus. The JSA did not disclose their names and stables, citing privacy reasons.Earlier this month, a wrestler competin…READ FULL ARTICLE