The second UFC pay-per-view in 2015 has a co-main event, as Tyron Woodley meets Kelvin Gastelum at UFC 183.

Set for January 31 from the MGM Grand Garden Arena in Las Vegas, the card boasts the return of both Anderson Silva and Nick Diaz.

Woodley (14-3) has posted a 4-2 mark inside the Octagon, including a recent finish of Dong Hyun Kim. His run to a title shot was halted by Rory MacDonald this past June.

Gastelum (10-0) remained perfect by submitting Jake Ellenberger this past weekend. He has earned five UFC wins in all, including the title of Ultimate Fighter when he defeated Uriah Hall last year.

Below is the current lineup for the night:

Middleweight: Anderson Silva vs. Nick Diaz

Welterweight: Tyron Woodley vs. Kelvin Gastelum

Welterweight: Thiago Alves vs. Jordan Mein

Female Bantamweight: Miesha Tate vs. Sara McMann

Middleweight: Andy Enz vs. Thiago Santos

Middleweight: Ildemar Alcantara vs. Richardson Moreira

Middleweight: Thales Leites vs. Tim Boetsch

Featherweight: Diego Brandao vs. Jimy Hettes