Japanese ski jumper Ryoyu Kobayashi has tested positive for coronavirus, he revealed on his Twitter account Sunday.The news comes a day after the 25-year-old Kobayashi became the first Japanese man to win 20 ski jumping World Cup competitions with a victory in the new season's third individual event in Ruka, Finland.According to the International Ski Federation, one member of Japan's team who was tested Saturday returned a positive result. Although the athlete is said to be asymptomatic, he has been isolated.On his Twitter account, Kobayashi posted he had been infected with the coronavirus …READ FULL ARTICLE