UFC Fight Night 19: Diaz vs. Guillard was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on September 16, 2009 in Oklahoma City, Oklahoma.

UFC 83: Serra vs St-Pierre 2 was a mixed martial arts event held by the Ultimate Fighting Championship. The event was held on April 19, 2008, at the Bell Centre in Montreal, Quebec, Canada. UFC 83 was the UFC's first event in Canada. It was headlined by UFC Welterweight Champion Matt Serra and UFC Interim Welterweight Champion Georges St. Pierre in a match to unify the championship.

UFC 56: Full Force was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 2005. Headlining the card were the two coaches from The Ultimate Fighter 2, Rich Franklin and Matt Hughes, scheduled to defend their middleweight and welterweight titles, respectively.

UFC 91: Couture vs. Lesnar was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on November 15, 2008, at the MGM Grand Garden Arena in Las Vegas, Nevada. The main event featured the return of UFC Heavyweight Champion Randy Couture versus WWE's Brock Lesnar in a title bout. The decision to grant Lesnar—who was 1–1 in UFC fights at the time—the title shot was controversial at the time. Some felt it was premature and marketing driven, while others argued the relative lack of depth in the heavyweight division at the time left no clear-cut contenders to the belt.

UFC 53: Heavy Hitters was a mixed martial arts event held by the Ultimate Fighting Championship on June 4, 2005, at the Boardwalk Hall in Atlantic City, New Jersey. Andrei Arlovski puts his interim Heavyweight Championship on the line against Justin Eilers. The undercard features a rematch for the UFC Middleweight Championship as Champion Evan Tanner defends this title against Rich Franklin. Other featured fighters include top ranked Forrest Griffin, Paul Buentello, Nate Quarry, David Loiseau, Nick Diaz and more.

UFC Fight Night 21: Florian vs. Gomi was a mixed martial arts event held by the Ultimate Fighting Championship on March 31, 2010 at Bojangles Coliseum in Charlotte, North Carolina, This was the third time the UFC held an event in Charlotte, but the first since UFC 5.

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.

The Ultimate Fighter: Team Couture vs. Team Liddell Finale (also known as The Ultimate Fighter 1 Finale) was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on April 9, 2005. Featured were the finals from The Ultimate Fighter 1 in both the middleweight and light heavyweight divisions. Even though the main attraction of the event was Rich Franklin vs. the UFC Hall of Famer Ken Shamrock, the spotlight was stolen by the light heavyweight finale between Forrest Griffin and Stephan Bonnar. Hailed as one of the greatest fights in MMA history by many, Forrest and Stephan produced a 3-round stand-up war that went the distance.

UFC 97: Redemption (not to be confused with UFC 17: Redemption) was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on April 18, 2009 in Montreal, Quebec, Canada. The main event was UFC Middleweight Champion Anderson Silva vs. Thales Leites.