Rizin Fighting Federation
Rizin Fighting Federation, Rizin FF esas Japoniana sportala organizo pri mixita milital arti e kik-boxo kun chef-urbo en Tokyo. Lo esis fondita en 2015 da Nobuyuki Sakakibara kom "spiritala sucedanto" di ne plus existanta organizi: Pride FC e DREAM.
Eminenta konkurencanti batalinta por RizinFF esas: Goran Reljić, Mirko Filipović (Kroatia), Fyodor Yemelyanenko, Vadim Nemkov (Rusia), Jiří Procházka (Chekia), Jarred Brooks, Bob Sapp, Floyd Mayweather Jr., Muhammed Lawal, Victor Henry, Justin Scoggins, Ben Nguyen, Daron Cruickshank, C.B. Dollaway (Usa), Tenshin Nasukawa, Kyoji Horiguchi, Kai Asakura, Shintaro Ishiwatari, Naoki Inoue, Hiromasa Ougikubo, Takafumi Otsuka, Ulka Sasaki, Shoji, Ren Hiramoto, Tatsuya Kawajiri, Satoru Kitaoka, Takasuke Kume, Takanori Gomi, Yusuke Yachi, Let's Gota, K-Taro Nakamura, Sudario Tsuyoshi (Japonio), Diego Brandao, Gabi Garcia (Brazilia), Jairzinho Rozenstruik (Surinam), Amir Aliakbari (Iran).