UFC 59: Reality Check was a mixed martial arts event held by the Ultimate Fighting Championship on April 15, 2006 at Arrowhead Pond, in Anaheim, California, and broadcast live on pay-per-view in the United States and Canada. This was the first-ever UFC event held in California after the state's legalization of mixed martial arts contests.

WEC 24: Full Force was a mixed martial arts event held on October 12, 2006. WEC 24's main event was a championship fight for the WEC Lightweight Title between champion Hermes Franca and challenger Nate Diaz.

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.

WEC 17: Halloween Fury 4 was a mixed martial arts event promoted by World Extreme Cagefighting on October 14, 2005 at the Tachi Palace Hotel & Casino in Lemoore, California. A light heavyweight tournament was held with the winner being crowned the champion and given a deal with the UFC.

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.

UFC Fight Night 5: Leben vs. Silva was a mixed martial arts event held by the Ultimate Fighting Championship on June 28, 2006. The event took place at Hard Rock Hotel and Casino, in Las Vegas, Nevada. This event served as the coming out party for Anderson Silva, the future middleweight champion of the UFC.