UFC 166: Velasquez vs. Dos Santos III

With a 4-2 record since moving from light heavyweight, Tim Boetsch has proven himself to be one of the premier 185-pound fighters on the planet, but he's still hungry for another statement-making victory against CB Dollaway.

Fans of the welterweight division will be in for a treat when perennial contenders Hector Lombard and Nate Marquardt collide in the Octagon at UFC 166.

Two of the UFC's most exciting lightweights square off at 166 when Gilbert Melendez meets Diego Sanchez. Melendez is coming off a split-decision title loss to champ Benson Henderson and will do whatever it takes to keep this one out of the judges hands.

George Sotiropoulos returns to the Octagon with plenty of unfinished business at 155 pounds. Owner of 7 UFC victories, Sotiropoulos will get a stern test against KJ Noons, who hopes to derail Sotiropoulos' comeback and earn his first UFC win.

TUF 13 winner, Tony Ferguson tore out of the gate in the UFC with 3 wins, but injuries kept him from climbing the lightweight ladder. Ferguson returns to the Octabon against TUF 15 vet Mike Rio, who plans to be the one returning to the win column.

Bad blood will boil over into a heavyweight brawl as durable Roy Nelson and undefeated Daniel Cormier clash at UFC 166.