Part 2: Mixed Martial Arts (MMA) rose from obscurity into being the third most popular sport on the planet. How did such a violent, oft-frowned-upon sport become so popular? And how did Dana White come to so dominate the sport via his Ultimate Fighting Championship (UFC) brand? This is a multi-billion dollar sport that you may not ever have heard much about.

Join us as we explore this fascinating business with Rolling Stone contributor Jack Crosbie, himself an MMA hobbyist. This is part one of a two-part episode.