From Sherdog.com:
Gabriel Gonzaga vs. Shane Carwin
Round 1
Carwin comes forward first, throwing punches ,but Gonzaga circlesaway. Gonzaga lands two hard right crosses, and Carwin clinches up, badly rocked. A foot sweep against the fence but Carwin on his back. Carwin gets full guard after starting in half, and stands up against the fence nicely. Gonzaga lands a right hand, and as he to throw a jab-cross, Carwin lands a short right hook that collapses Gonzaga. Carwin dives on Gonzaga, swinging hammerfists on his downed foe until Dan Miragliotta steps in at 1:09, giving Carwin the quick comeback KO.