It's not Diego! This is Diego Herzog "Nosferatu" vs. Roger Gracie World's Jiu Jitsu competition 2010 Diego Herzog vs Roger Gracie: 2010 Jiu-jitsu World Championships Quarter & Semi-Finals - MMA Grappling Video : www.mma-core.com/videos/grappling/Diego_Herzog_vs_Roger_Gracie_2010_Jiujitsu_World_Championshi/10042534