Daniel Pineda defeats Mackens Semerzier by submission (armbar). The stoppage came at 2:05 in the first round.
Mackens threw a leg kick early and Pineda clinched against the fence. Pineda landed knees and punches from the clinch before Mackens turned him into the fence. Pineda pushed off and the two traded punches and knees. Pineda landed a punch combination and Mackens responded with a leg kick that landed low. A left hook dropped Semerzier and Pineda just swarmed to mount. Pineda locked his legs and rolled to his back with the triangle choke. He grabbed the arm and forced Mackens Semerzier to tap.
Daniel Pineda made his UFC debut at UFC on FX 1 with a rear naked choke victory over Pat Schilling. He is now 17-7 in MMA and 2-0 in the UFC. He took the fight on short notice. Mackens was a WEC fighter who made the transition to the UFC. This is his first loss in the promotion. He is now 1-1 (1) in the UFC and 6-4 (1) overall in MMA.