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.

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.

Dart finished the preseason 32 of 47 passing for 372 yards and three touchdowns with no interceptions, also running six times for 52 yards and a TD. He and No. 3 pick Abdul Carter