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.

• Cast: Brian Olsen, Mike Kyle, Lodune Sincaid, Dan Molina, Cory Cass, Poppies Martinez, Glover Teixeira, Carlton Jones