WEC 20: Cinco de Mayhem

WEC 20: Cinco de Mayhem was a mixed martial arts event held by World Extreme Cagefighting that took place on May 5, 2006 at Tachi Palace Hotel & Casino in Lemoore, California. WEC 20's main event was a heavyweight bout between Brian Olsen and Mike Kyle.

• Brian OlsenSelf
• Mike KyleSelf
• Lodune SincaidSelf
• Dan MolinaSelf
• Cory CassSelf
• Poppies MartinezSelf
• Glover TeixeiraSelf
• Carlton JonesSelf
• Jeremy FreitagSelf
• Paul MorenoSelf
• Kenny EntoSelf
• Phil CollinsSelf