THE PROVING GROUNDS is an all-access inside look at what goes on at Jackson’s MMA academy. Get to know Greg Jackson and the family. Learn about the strategies, philosophies, history, and hardships behind the best MMA school in the world.
The Proving Grounds 2013
Stars
Dan Caldwell
Donald Cerrone
Carlos Condit
Steve Corona
John Dodson
Leonard Garcia
Clayton Guida
Holly Holm
Landon Dyksterhouse
