Strikeforce: Shamrock vs. Baroni was a mixed martial arts event co-promoted by Strikeforce and EliteXC. The event took place on Friday, June 22, 2007 at the HP Pavilion in San Jose, California. The main card aired on pay-per-view, with the undercard streamed live on ProElite.com. The PPV event was rebroadcast on the Showtime premium cable channel on June 30, 2007.

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.

UFC 50: The War of '04 was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Plaza in Atlantic City, New Jersey. Headlining the card were Tito Ortiz and Patrick Côté. Côté was a late replacement for Lion's Den fighter Guy Mezger, who pulled out of the event due to a medical condition. It also featured the Middleweight debut of future champion Rich Franklin.

WEC 4: Rumble Under The Sun was a mixed martial arts event held on August 31, 2002 at the Mohegan Sun Casino in Uncasville, Connecticut. WEC 4's main event was a fight between Aaron Brink and Jeremy Horn.

UFC 37.5: As Real As It Gets was a mixed martial arts event held by the Ultimate Fighting Championship at the Bellagio Hotel and Casino in Las Vegas, Nevada on June 22, 2002.