We turn on the TV and watch these amazingly fit and extremely strong fighters throw punch after punch, kick after kick and grapple on the ground while their bodies are bruised, bloody and exhausted. How do they maintain such high physical endurance?  Do you ever wonder what it is they do, how they train to become such savages? Or even more interesting, do you ever wonder about the secrets of their training? Wanderlei Silva is one of the best MMA fighters in the world and this is how he trains.