WEC 21: Tapout was a mixed martial arts event held on June 15, 2006. WEC 21's main event was a fight between Rob McCullough and Ryan Healy.

WEC 18: Unfinished Business was a mixed martial arts event promoted by World Extreme Cagefighting on January 13, 2006 at the Tachi Palace Hotel & Casino in Lemoore, California.

The year 2002 is the 2nd year in the history of World Extreme Cagefighting, a mixed martial arts promotion based in the United States. In 2002 WEC held 3 events beginning with, WEC 3: All or Nothing.

WEC 5: Halloween Fury was a mixed martial arts event held on October 18th, 2002 at The Palace Casino in Lemoore, California. WEC 5's main event was a title fight between Cole Escovedo and Philip Perez.

WEC 15: Judgment Day was a mixed martial arts event promoted by World Extreme Cagefighting on May 19th 2005 at the Tachi Palace Hotel & Casino in Lemoore, California. The card featured the likes of Joe Riggs, Chris Lytle and James Irvin compete.