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PITTSBURGH, PA - 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.

Collie attended Oak Ridge High School in El Dorado Hills, CA.

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

The Colts fell to the Steelers 26-24 on Sunday night.