ヒクソン・グレイシー
His name is well known in the MMA world, especially among Brazilian Jiu-Jitsu and submission grappling enthusiasts, as he is the only person to hold an official victory in competition over Brazilian Jiu-Jitsu legend Rickson Gracie. Tripp became America's first Merited and Distinguished Master of Sport in 1996. He was promoted to 6th dan by USA Judo in November 2006.