Marcin Held spent few days of training at The Renzo Gracie Fight Academy in New York (pictures below). One of the true martial arts legends, Renzo Gracie is a Jiu Jitsu black belt from the famous Gracie family. He opened his own academy in New York, a gym that rapidly became a reference in America and the world for high quality Jiu Jitsu. From this same academy Renzo Gracie forged fighters such as Matt Serra, John Danaher, Ricardo Cachorão, Shawn Williams, Jerry Rinaldi and many, many others.