Chuck Liddell made his MMA debut on 15 May 1998 at the Ultimate Fighting Championship UFC event 17 After victories among other things, Guy Mezger and battles with operators such as the International Fighting Championship and Pride FC, he fought on 6 June 2003 UFC 43 against Randy Couture for the title of Light Heavyweight Champions. He lost, but resigned after victories over Alistair Overeem, Tito Ortiz, Vernon White and a loss to Quinton Jackson again for a title shot against Couture. This time, on 16 April 2005 at UFC 52, he was successful. As a result he was able to defend his title against Jeremy Horn, Couture, Renato Sobral and Ortiz before he was forced to cede it to the UFC 71 on May 26, 2007 at Quinton Jackson. Then he lost to Keith Jardine, Rashad Evans and Mauricio Rua and won against Wanderlei Silva. On 12 June 2010, after the lost battle of the main UFC 115 against Rich Franklin 's Event Statistics was 21 wins and eight defeats.
Chuck Liddell was a coach in seasons one and eleven of the reality television series The Ultimate Fighter. He was inducted into the Hall of Fame of the UFC.