The first fight of the main card at UFC 153 is Rick Story vs. Demian Maia. This is a welterweight fight, meaning 170 pounds. This bout is scheduled for three, five-minute rounds. The referee in charge of the action is Mario Yamasaki.
Round 1: Story comes charging out, landing a left hook and Maia is jockeying for a single leg. He hoists Story in the air and slams him down. Story whizzers hard to stand, but Maia trips him back to the canvas. They're working along the fence. And again Maia outside trips Story as the American tries to stand. Maia now completely has Story's back as he works for a rear naked choke. Maia torques Story's head to the side and blood pours of Story's nose. The American shows obvious signs of discomfort before he taps.
Demian Maia def. Rick story via submission (rear naked choke/neck crank) at 2:30 of round 1