Arguably the most influential figure in MMA is Royce Gracie. Royce is considered to be the one to bring Jiu-Jitsu to the world stage by beating opponents much larger than himself in the UFC. His contributions revolutionized modern MMA fighting where modern fighters had to learn how to grapple. I remember first watching Royce back in 1993 when he fought and I couldn't believe my eyes when he submitted his giant opponents. I never thought that such techniques existed. His performances touched millions because he was the underdog, a classic David and Goliath story where the scrawny guys wins!