Catch all the action on Thursday at 4 p.m. ET/1 a.m. PT as SB Nation brings you live video and updates from the UFC 143 pre-fight press conference. The presser will take place live in Las Vegas, Nevada. Fireworks are guaranteed as explosive contenders Nick Diaz and Carlos Condit join UFC President Dana White to discuss Saturday's interim welterweight championship.

UFC 143 takes place February 4th, 2012 at the Mandalay Bay Events Centers in Las Vegas, Nevada. Today's presser will be streamed live on MMA Fighting, SB Nation's home for mixed martial arts.

The fight card for UFC 143 is as follows:

Main card (pay-per-view):
Interim Welterweight Championship: Nick Diaz vs. Carlos Condit
Heavyweight: Roy Nelson vs. Fabricio Werdum
Welterweight: Josh Koscheck vs. Mike Pierce
Bantamweight: Scott Jorgensen vs. Renan Barao
Middleweight: Ed Herman vs. Clifford Starks

Preliminary card (FX):
Featherweight: Dustin Poirier vs. Max Holloway
Welterweight: Henry Martinez vs. Matt Riddle
Bantamweight: Alex Caceres vs. Edwin Figueroa
Welterweight: Matt Brown vs. Chris Cope

Preliminary card (Facebook):
Welterweight: Dan Stittgen vs. Stephen Thompson
Middleweight: Rafael Natal vs. Michael Kuiper