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HELL'S TRAINER: THE CRAZY TRUTH ABOUT THE MAN BEHIND THE MASK
Ever heard of Frank Matrisciano, better known as "Hell's Trainer," the guy who trained Blake Griffin and won't show his face in interviews? Dan Grunfeld knows him, his training, and his special brand of crazy better than anyone.
Frank Matrisciano is the most clandestine trainer in the world. Many also call him the toughest. But survive his training, and you'll emerge a new (fitter, stronger) man.
