Georges St. Pierre prepares to face the most dangerous opponent of his career - the underrated and relentless Jake Shields. See both men prepare on Countdown to UFC 129.

Jake Shields - "I'm going to go out there and make it my fight, not (Georges St. Pierre's). I'm going to go out there and decide where the fight is going to be. I'm consistently attacking, pressure and trying to finish. I think once I get on top of him, I'm going to pass and put him away, get mount and choke him out."

Is Jose Aldo truly unstoppable, or will Mark Hominick's skills - not to mention the cheers of 55,000 home-crowd fans - put an end to Scarface's featherweight reign?

UFC legend Randy Couture prepares to wind down his MMA career, while Lyoto Machida prepares to renew his. See what happens when two former champions collide.