Watch Fight Night London: Bisping vs Silva live and exclusive on UFC FIGHT PASS – http://www.ufc.tv/video/silva-vs-bisping
Going through tough times, sparring, and random drug testing are all a part of the professional mixed martial arts world. Take an intimate look at how all of those touch and effect the lives of Anderson Silva and Michael Bisping as they prepare for battle at Fight Night London, exclusively on UFC FIGHT PASS.