WEC 17: Halloween Fury 4 was a mixed martial arts event promoted by World Extreme Cagefighting on October 14, 2005 at the Tachi Palace Hotel & Casino in Lemoore, California. A light heavyweight tournament was held with the winner being crowned the champion and given a deal with the UFC.
WEC 23: Hot August Fights was a mixed martial arts event held on August 17, 2006. WEC 23's main event was a championship fight for the WEC Light Heavyweight Title between champion Lodune Sincaid and challenger Doug Marshall.
WEC 24: Full Force was a mixed martial arts event held on October 12, 2006. WEC 24's main event was a championship fight for the WEC Lightweight Title between champion Hermes Franca and challenger Nate Diaz.
