Tags: Martial Artist.
Duane Paul Ludwig (born August 4 1978) is a retired American professional kickboxer and mixed martial artist. As the K-1 2002 World MAX USA Champion he is one of only five K-1 Champions and the only K-1 World MAX Champion to compete in the UFC. In addition Ludwig also holds the official fastest knockout record in the UFC after his win against Jonathan Goulet (in 0:06) at UFC Fight Night 3.
