UFC 143: Diaz vs. Condit was a UFC event held on February 5, 2012 (Aus time) at the Mandalay Bay Events Center in Las Vegas, Nevada.
Georges St-Pierre was originally scheduled to defend his Welterweight Championship against Nick Diaz in the main event. However, on December 7, 2011, it was revealed St-Pierre had suffered an ACL injury that forced him out of the fight. Diaz intead faced Carlos Condit with the winner receiving the interim title belt. Condit’s original opponent Josh Koscheck, faced Mike Pierce at the event.
UFC Primetime returned to promote the main event. The event was the first showcasing the new PPV opener, retiring the long used gladiator intro.
Here are the full results from the event:
Preliminary card (Facebook)
Dan Stittgen vs. Stephen Thompson
Thompson defeated Stittgen via KO (head kick) at 4:13 of round 1.
Rafael Natal vs. Michael Kuiper
Natal defeated Kuiper via unanimous decision (30–27, 30–27, 29–28).
Preliminary card (OneHD)
Matthew Riddle vs. Henry Martinez
Riddle defeated Martinez via split decision (28–29, 29–28, 29–28).
Matt Brown vs. Chris Cope
Brown defeated Cope via TKO (punches) at 1:19 of round 2.
Alex Caceres vs. Edwin Figueroa
Figueroa defeated Caceres via split decision (28–27, 27–28, 28–27). Caceres was deducted two points in the second round for repeated kicks to the groin.
Dustin Poirier vs. Max Holloway
Poirier defeated Holloway via submission (mounted triangle armbar) at 3:23 of round 1.
Ed Herman vs. Clifford Starks
Herman defeated Starks via submission (rear-naked choke) at 1:43 of round 2.
Renan Barão vs. Scott Jorgensen
Barão defeated Jorgensen via unanimous decision (30–27, 30–27, 30–27).
Josh Koscheck vs. Mike Pierce
Koscheck defeated Pierce via split decision (28–29, 29–28, 29–28).
Roy Nelson vs. Fabricio Werdum
Werdum defeated Nelson via unanimous decision (30–27, 30–27, 30–27).
Nick Diaz vs. Carlos Condit
Condit defeated Diaz via unanimous decision (48–47, 49–46, 49–46) to become the new UFC Interim Welterweight Champion.