Author Matthew Polly has spent two years traversing the globe learning mixed martial arts from the best trainers. As he spoke with trainers and fighters he learned how the sport evolved from "human cockfighting" to one of the fastest growing sports in the world. Polly becomes a convert to the sport, which was once denounced as extreme and barbaric.
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Matthew Polly, author, Tapped Out - Rear Naked Chokes, the Octagon, and the Last Emperor: An Odyssey in the Mixed Martial Arts