1 RIZIN.2 Cygames presents RIZIN FIGHTING WORLD GRAND-PRIX 2016 開幕戦 Sep 25, 2016 RIZIN.2 Cygames presents RIZIN FIGHTING WORLD GRAND-PRIX 2016 開幕戦 2016 360 min 1 vues Rizin World Grand-Prix 2016: 1st Round was a mixed martial arts event held by the Rizin Fighting Federation on September 25, 2016 at the Saitama Super Arena in Saitama, Japan.