Carlos Condit lands a left to the face of Nick Diaz in their main event bout at UFC 143 in Las Vegas. Condit defeated Diaz by decision to claim the UFC interim welterweight title, setting up a bout with injured welterweight champion Georges St. Pierre later this year.

Carlos Condit connects with Nick Diaz's face. Condit's plan to fight his own fight instead of being dragged into Diaz's game plan worked out well for the new interim champ.

Nick Diaz lands a right hand to the face of Carlos Condit. Diaz and Condit stayed on their feet for virtually the entire fight until Diaz took Condit down late in the fifth and final round.

Carlos Condit lands a left to the cheek of Nick Diaz. Condit's win ruined plans many in and out of the UFC had for a Diaz-Georges St. Pierre title bout later this year.

Nick Diaz taunts Carlos Condit during their fight. Diaz was very upset after the fight, annoucning his retirement from MMA.

Carlos Condit lands a kick to the chest of Nick Diaz. With the loss, Diaz fell to 26–8 with one no-contest, snapping an 11-fight win streak.

Carlos Condit comes at Nick Diaz with a knee during their UFC 143 bout. Codit improved to 28–5 with his unanimous decision win.

Roy Nelson tries to take positional advantage of Fabricio Werdum. But in the end, Werdum came out ahead in their brutal bout, beating Nelson by unanimous decision.

Fabricio Werdum lands a knees to the face of Roy Nelson during their co-main event bout at UFC 143. Repeated knees did tremendous damage to Nelson's face.

Mike Pierce tries to avoid a right from Josh Koscheck. Koscheck won their UFC 143 bout by split decision.

Mike Pierce bleeds from the head against Josh Koscheck. The cut appeared to be caused by an accidental clash of heads.

Scott Jorgensen and Renan Barao exchange punches. Jorgensen fell to 13–5 with the loss.

Renan Barão lands a right to the face of Scott Jorgensen. Barão improved to 28-1 with one no-contest.

Renan Barão lands a kick against Scott Jorgensen. Barão defeated Jorgensen via unanimous decision (30–27, 30–27, 30–27).

Ed Herman kicks Clifford Starks in the side. Starks fell to 8-1, suffering his first loss.

Clifford Starks punches Ed Herman during their bout at UFC 143. Herman improved to 20-7 with the win.

Ed Herman takes a left to the jaw from Clifford Starks. Herman beat Starks via submission (rear-naked choke) at 1:43 of Round 2.

Max Holloway kicks Dustin Poirier during their bout. The 20-year-old Holloway was making his UFC debut, but tasted defeat for the first time in his career.

Dustin Poirier reacts after beating Max Holloway by first-round submission at UFC 143.

Edwin Figueroa lands a left against Alex Caceres at UFC 143. Figueroa got the win by split decision after Caceres had two points deducted in the second round after landing a kick to Figueroa's groin for the second time in the fight.

Matt Brown tries to take down Chris Cope in their UFC 143 bout. Brown got the win, knocking Cope out in the second round.

Henry Martinez tries to land blows against Matthew Riddle. But Martinez wasn't able to do enough to win the fight. Martinez fell to 8-2 while Riddle now stands at 6-3.

Henry Martinez attacks Matt Riddle during their UFC 143 bout. Riddle defeated Martinez in the bout by split decision (28–29, 29–28, 29–28).
 

Rafal Natal celebrates his win over Michael Kuiper. Natal imporved to 14-3-1 in his career with the win.

Rafal Natal tries to submit Michael Kuiper during their UFC 143 bout, but couldn't force the tapout. Natal defeated Kuiper by unanimous decision.

Stephen Thompson connects with a kick behind Dan Stittgen's ear during their UFC 143 bout. The kick knocked Stittgen to the floor, out cold.