Click here for linkThree of the Razorbacks' five captains - Tyler Wilson, Jake Bequette and Jarius Wright - left the game early with injuries.
Wilson, the Hogs' starting quarterback, was held out of the second half as a precaution after showing signs of a concussion during the halftime.
Bequette, a senior defensive end, was injured in the first quarter. He limped off the field and was examined on the Razorbacks sideline for a hamstring injury, Petrino said.
Wright, a senior wide receiver, also wound up watching the majority of the second half in sweats. He had five catches for 63 yards.