The Proving Grounds
The Proving Grounds
Watch The Proving Grounds Online Free on Watchseries. 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.
- Genre: Documentary
- Country:
- Director: Landon Dyksterhouse
- Cast:
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