Mixed Martial Arts (MMA) is the fastest growing sport in the United States. Though many think of it as a recent phenomenon, the moves used by today's great MMA fighters date back hundreds, and sometimes thousands of years, and come from every corner of the globe, from Japan to Brazil and Greece to Thailand. Hosts Bill Duff and Jason Chambers explore the unique world of the American MMA phenomenon, its current success and its fascinating history. They will train with the sport's greatest masters and explore the history of the most successful moves used by these champions, eventually facing off against a skilled MMA fighter in a real exhibition match.