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 Fight Night 11: Thomas vs. Florian was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on Wednesday, September 19, 2007, at the Palms Casino Resort in Las Vegas, Nevada.

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 64: Unstoppable was a mixed martial arts event held by the Ultimate Fighting Championship on Saturday, October 14, 2006. The card centered on a UFC Middleweight Championship defense by Rich Franklin against highly-touted Anderson Silva, Franklin's first defense in 7 months.