UFC 143 fight card and rumors for 'Diaz vs Condit' on Feb. 4 in Las Vegas

Event: UFC 143: "Diaz vs. Condit"
Date: Saturday, Feb. 4, 2012, at 10 p.m. ET on pay-per-view (PPV)
Location: Mandalay Bay Events Center in Las Vegas, Nevada

Main event:

170 lbs.: Carlos Condit vs. Nick Diaz

Main card (pay-per-view):

265 lbs.: Roy Nelson vs. Fabricio Werdum
170 lbs.: Josh Koscheck vs. Mike Pierce
145 lbs.: Renan Barao vs. Scott Jorgensen
155 lbs.: Ed Herman vs. Clifford Starks

Preliminary card (FX Channel):

145 lbs.: Max Holloway vs. Dustin Poirier
170 lbs.: Matt Riddle vs. Jorge Lopez
135 lbs.: Alex Caceres vs. Edwin Figueroa
170 lbs.: Matt Brown vs. Chris Cope
185 lbs.: Rafael Natal vs. Michael Kuiper
170 lbs.: Dan Stittgen vs. Stephen Thompson