WEC 16: Clash of the Titans 2 was a mixed martial arts event promoted by World Extreme Cagefighting on August 18th, 2005 at the Tachi Palace Hotel & Casino in Lemoore, California. The main event saw Ron Waterman take on Ricco Rodriguez for the WEC Super Heavyweight Championship.

WEC 34: Faber vs. Pulver was a mixed martial arts event held by World Extreme Cagefighting that took place on June 1, 2008 at the ARCO Arena in Sacramento, California. The main event, announced on WEC 33, was a bout between Jens Pulver and Urijah Faber for WEC Featherweight Championship. WEC 34 was aired live on Versus.

WEC 39: Brown vs. Garcia Took place on March 1, 2009 in Corpus Christi, Texas. The event aired live on the Versus Network.WEC Featherweight Champion Mike Brown made his first title defense against number one contender Leonard Garcia.

WEC 28: WrekCage was the fourth mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on June 3, 2007. WEC 28 was the first WEC to be aired live on the Versus Network. The main event was a Featherweight title defense by WEC Featherweight champion, Urijah Faber.

WEC 14: Vengeance was a mixed martial arts event promoted by World Extreme Cagefighting on March 17th, 2005 at the Tachi Palace Hotel & Casino in Lemoore, California.[1] The Main Event saw John Polakowski take on Olaf Alfonso.

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 26: Condit vs. Alessio was the second mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on March 24, 2007. WEC 26 hosted three title fights on March 24. The first of the title fights was for the WEC Bantamweight Title, between challenger, Chase Beebe and champion, Eddie Wineland. The second of the title fights was for the WEC Featherweight Title, between challenger, Dominick Cruz and champion, Urijah Faber. The final title fight was for the vacant WEC Welterweight Title, between Carlos Condit and John Alessio.

WEC 33: Marshall vs. Stann was a mixed martial arts (MMA) event held by World Extreme Cagefighting (WEC) that took place on Wednesday, March 26, 2008.