Pittsburgh Steelers rookie defensive lineman Derrick Harmon suffered a knee injury in the second quarter on Thursday night and the worst was feared. However, Harmon showed a positive sign that he was OK in the fourth quarter.

The Pittsburgh Steelers were hit with two significant injuries in their preseason finale win over the Carolina Panthers — DL Derrick Harmon and WR Brandon Johnson — and HC Mike Tomlin has provided an update.

Pittsburgh Steelers first-round draft pick Derrick Harmon was carted to the locker room after the defensive end injured his knee Thursday night in the preseason finale against the Carolina Panthers.