Japan's Ryo Kiyuna, the favorite to win men's kata gold when karate makes its Olympic debut at the Tokyo Games, has contracted the novel coronavirus, his master said Saturday.The 30-year-old three-time reigning world champion recorded a fever of 38 C on Friday morning, Tsuguo Sakumoto said, adding that Kiyuna is now recovering at home without any severe symptoms and has an appetite.Kiyuna won a record ninth straight national championship on Sunday in Tokyo and returned to his native Okinawa Prefecture the following day.Kiyuna trained two hours a day from Tuesday through Thursday at a dojo i…READ FULL ARTICLE