Round 1 - Henderson inside right way trying for the takedown. He can't get it as Pettis pulls him up. Leg kick by Henderson and another takedown attempt. Henderson with small kicks to the leg as he clinches but goes nowhere. Now a body kick by Pettis. Another body kick by Pettis lands very hard. Another body kick. And another. And another. This is a great strategy. Pettis tries some weird handstand kick and gets taken down. Pettis with an armbar! Henderson tapped! Anthony Pettis wins by submission (armbar), round 1.