Movie
The Proving Grounds
What does it take to become a champion? "The Proving Grounds" provides an all-access inside look at Jackson's MMA training academy, following the lives of owner Greg Jackson and his family, and the strategies, philosophies, history, and hardships behind the best Mixed Martial Arts school in the world.
Where to watch
Streaming availability via JustWatch.
Watched by
People you follow who marked this watched.
Sign in to see which friends watched this.
Private notes
Sign in to keep personal notes on this title.
You might also like
