Three months into the new year, former UFC champions Demetrious Johnson and Eddie Alvarez will make their ONE Championship debuts. Johnson (27-3-1), the UFC’s inaugural and long-reigning flyweight titleholder, will fight Yuya Wakamatsu (10-3) in a flyweight bout. Alvarez (29-6), who was a lightweight champion for the UFC and Bellator, will take on Timofey Nastyukhin (12-4) in his debut with the promotion. ONE Championship today revealed the bookings to The Associated Press. ONE Championship will make its debut in Japan on March 31 at Ryogoku Kokugikan, an 11,000-capacity venue near Tokyo. The event is expected to stream on ONE’s app