The UFC heads to Phoenix in December with UFC on FOX 13: Dos Santos vs. Miocic, and you can see the updated fight card and a video preview below.

Set for December 13 from the U.S. Airways Center, the card features a main event between former heavyweight champion Junior dos Santos and Stipe Miocic. Also, Nate Diaz returns after a lengthy layoff to meet Rafael dos Anjos in a key lightweight tilt.

Heavyweight: Junior dos Santos vs. Stipe Miocic

Lightweight: Nate Diaz vs. Rafael dos Anjos

Heavyweight: Stefan Struve vs. Alistair Overeem

Lightweight: Jamie Varner vs. Drew Dober

Middleweight: Derek Brunson vs. Ed Herman

Lightweight: Joe Ellenberger vs. Bryan Barberena

Heavyweight: Gabriel Gonzaga vs. Matt Mitrione

Welterweight: Ben Saunders vs. Joe Riggs

Flyweight: Jussier Formiga vs. John Moraga

Bantamweight: Ian Entwistle vs. Anthony Birchak