Rich Franklin, Anderson Silva, Sean Sherk, Kenny Florian, Spencer Fisher, Cheick Kongo, Jon Fitch, and Kalib Starnes.

From the Mandalay Bay Events Center in Las Vegas. UFC Middleweight Champion Rich "Ace" Franklin returns from surgery to face his toughest test yet in Brazils Anderson "Spider" Silva. Plus, Sean Sherk battles Kenny Florian to crown a new champion in the lightweight division for the first time in 4 years. Fighters featured on the undercard include Spencer Fisher, Cheick Kongo, Jon Fitch, and Kalib Starnes. A total of 8 bouts.