RIZIN 42 was a combat sports event that took place on Saturday, May 6, 2023 at the Tokyo Ariake Arena in Tokyo, Japan.
RIZIN 31 live from the Pia Arena MM in Yokohama, Japan. The Main event will be a featherweight title match. The champion, Saito, will put the belt on the line for the first time when facing regional champion Juntaro Ushiku.
