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.

In his featherweight debut, TUF vet Jeremy Larsen meets a hungry newcomer in Andre Fili. The newest member of Sacramento's Team Alpha Male squad to make his way to the Octagon, Fili is a well-rounded competitor who is always looking for the finish.

Former Strikeforce champion Sarah Kaufman makes her Octagon debut against Jessica Eye. Perhaps the best striker in female MMA, Kaufman has 10 knockouts among her 16 wins. But with a 7 fight winning streak, Eye is ready to go.

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.

A protégé of Japanese great Norifumi 'Kid' Yamamoto, Kyoji Horiguchi makes his UFC debut tonight against Dustin Pague. Pague always brings the excitement on fight night, but after 2 controversial split decision losses he is looking for a decisive finish.

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