Strikeforce: Triple Threat was the fourth mixed martial arts event promoted by Strikeforce. The event took place at the HP Pavilion at San Jose in San Jose, California on December 8, 2006. The main card featured the Strikeforce debut of Gina Carano.

KOTC 8: Bombs Away was an MMA event held on April 29, 2001 at the Colusa Casino in Williams, California, United States.

KOTC 23: Sin City was an event held on May 16, 2003 at the Orleans Hotel Casino in Las Vegas, Nevada, United States.

UFC 49: Unfinished Business was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena in Las Vegas, Nevada. It featured the anticipated rubber match between Light Heavyweight Champion Vitor Belfort and Randy Couture, following a disappointing doctor's stoppage in their last encounter at UFC 46.