Lauzon (21-6) is on a two-fight win streak and coming off a 47-second submission win over Melvin Guillard. Pettis (14-2) defeated Jeremy Stephens last October at UFC 136 by split decision.
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Round 1: Pettis comes out southpaw, scoring with a body kick right off the bat. Lauzon moves in with a combo, and Pettis deflects the shots, then comes forward with a series of his own. Pettis lands a left high kick out of nowhere that lands on the jaw and knocks Lauzon down. Pettis with a few strikes from the top, and it's a wrap.
Winner: Anthony Pettis via KO, Rd. 1 (1:21)
Afterward, Pettis says he wants to fight for the title. That may be a bit premature, but it was certainly an impressive win against a very tough, durable opponent.