A New Chapter Begins for Sean Sherk

Thomas Gerbasi, UFC - The youtube.com video clip made the rounds of MMA websites and message boards pretty fast when it hit the 'net a couple weeks back, and simply watching Sean Sherk going through what was dubbed 'The Caveman Workout' was exhausting. So you can imagine how he felt. But to the former UFC lightweight champion, working out like that wasn't that big a deal.