UFC fighter at the lightweight and welterweight level and the K-1 2002 World MAX USA Champion.
He began a successful professional kickboxing career before making the jump to mixed martial arts in 2002.
He ended his kickboxing career with a 43-7-1 record.
He has a daughter and a son named Duane Jr.
He suffered a technical submission defeat to Josh Neer on January 20, 2012.