Pittsburgh, PA (Sports Network) - Indianapolis Colts wide receiver Austin Collie left Sunday's preseason game against the Pittsburgh Steelers after taking a hit to the head.

Collie, who's had a history of concussion issues, was injured while attempting to haul in an Andrew Luck pass over the middle. As he went down, he took a hit to the helmet from Larry Foote.

The Colts also lost defensive ends Robert Mathis (shoulder strain) and Cory Redding (leg) during the contest.

08/19 22:10:29 ET