Chuck Liddell is the face of the Ultimate Fighting Championship and the icon of Mixed Martial Arts -- the fastest growing sport in America. In 1998 he won his first UFC Mixed Martial Arts fight. Soon after, Liddell rose through the ranks to become the light-heavyweight champion of the world. In July of 2009, he was inducted into the UFC Hall of Fame. He is tied for the most wins by a UFC fighter, with 16, and also holds the most knockout wins with 10. In 2008 Liddell penned his autobiography, "Iceman: My Fighting Life," which quickly became a New York Times bestseller. He has a BA in Business/Accounting from Cal Poly San Luis Obispo, where he also wrestled. He teams with Anna Trebunskaya, who returns for her fourth "Dancing With the Stars" season.