Carlos Condit defeated Nick Diaz at UFC 143 tonight to become the UFC interim welterweight champion. After the fight, Diaz proclaimed that he was done with MMA.

Josh Koscheck eeked out a victory over Mike Pierce on the undercard, while Fabricio Werdum made a triumphant return to the UFC by defeating Roy Nelson.

For full detailed results of tonight's event, check out FightLine.com by clicking here.

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