Catch a sneak peek at Countdown to UFC 87! Watch the full program on Thursday, August 7 at 11pm ET/PT on Spike!

The fight game can get very personal and the war of words between UFC Lightweight Champion "THE PRODIGY" BJ PENN and former champ SEAN "THE MUSCLE SHARK" SHERK has taken personal to a whole new level. The talking stops and the real competition begins as these two men step into the Octagon to determine the undisputed king of the 155-lb. division. Plus, the controversial "HUNTINGTON BEACH BAD BOY" TITO ORTIZ faces undefeated Karate master LYOTO "THE DRAGON" MACHIDA.