Ron Kruck of Inside MMA visits the Gracie Museum in Torrance, CA. He gets toured by Helio Gracie’s grandson Renner Gracie and recounts the origins of Gracie Jiu-Jitsu, as well as the famed Gracie Challenge matches that originated in Brazil, moved to the U.S. and eventually led to the birth of modern mixed martial arts.

Tags: Gracie Jiu-Jitsu, Inside MMA