Nick Herbig leaves with hamstring injury

Steelers linebacker Nick Herbig could barely walk when he left Sunday Night Football in the third quarter.

He limped to the sideline medical tent and then limped from there to the X-ray room.

The Steelers list him as questionable to return with a hamstring injury.

Herbig has two tackles, half a sack and a fumble recovery.

The Steelers lead the Cowboys 10-6 heading into the fourth quarter with Dallas going 0-for-4 in the red zone. Dak Prescott lost a fumble on a shared sack between Herbig and T.J. Watt, with Watt forcing the fumble and Herbig recovering it; Prescott throwing an interception to Donte Jackson; and Brandon Aubrey getting a 38-yard field goal blocked by Isaiahh Loudermilk.