WEC 1: Princes of Pain was a mixed martial arts event held on June 30, 2001 at the Tachi Palace Hotel & Casino in Lemoore, California. WEC 1's main event was a fight between Dan Severn and Travis Fulton.

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.