UFC 61: Bitter Rivals was a mixed martial arts event held by the Ultimate Fighting Championship on Saturday, July 8, 2006. The main event was a Heavyweight Championship match between champion Tim Sylvia and former champion Andrei Arlovski. The co-main event was the highly anticipated re-match of TUF 3 coaches Tito Ortiz and Ken Shamrock.

UFC 51: Super Saturday was a mixed martial arts event held by the Ultimate Fighting Championship on February 5, 2005 (Super Bowl weekend) at the Mandalay Bay Events Center in Las Vegas, Nevada.

Strikeforce: Shamrock vs. Le was a mixed martial arts event co-promoted by Strikeforce and EliteXC. The event took place on Saturday, March 29, 2008 at the HP Pavilion in San Jose, California. The main card aired live on the Showtime premium cable channel. The event originally featured the anticipated Gilbert Melendez vs. Josh Thomson, but it was called off because Thomson injured himself training. Nick Diaz was also scheduled to fight but was pulled from the card due to undisclosed reasons. Referees assigned for the event were Mario Yamasaki, Herb Dean and Jon Schorle.

UFC Fight Night 2: Loiseau vs. Tanner was a mixed martial arts event held by the Ultimate Fighting Championship on October 3, 2005. The event took place at the Hard Rock Hotel and Casino in Las Vegas, Nevada, and was broadcast live on Spike TV in the United States and Canada.

UFC Fight Night 3: Sylvia vs. Silva was a mixed martial arts event held by the Ultimate Fighting Championship on January 16, 2006. The event took place at the Hard Rock Hotel and Casino in Las Vegas, Nevada, and was broadcast live on Spike TV in the United States and Canada. The main event between Tim Sylvia and Assuerio Silva was touted as a match to determine the next contender for the UFC Heavyweight Championship, then held by Andrei Arlovski.

UFC Fight Night 7: Sanchez vs. Riggs was a mixed martial arts event held by the Ultimate Fighting Championship on December 13, 2006 at the MCAS Miramar near San Diego, California. The audience almost entirely comprised of US Marines. Diego Sanchez continues his run up the welterweight ranks.

UFC Fight Night 9: Stevenson vs. Guillard was an event held on April 5, 2007, at The Palms Casino Resort in Las Vegas, Nevada. The main event was Joe Stevenson vs. Melvin Guillard in the lightweight division.

UFC Fight Night 1: Marquardt vs. Salaverry was an event held on August 6, 2005 at the Cox Pavilion in Las Vegas, Nevada. The event, aired on Spike, was the first UFC Fight Night event.