Derrick Harmon carted off the field in Steelers’ final preseason game with knee injury

Pittsburgh Steelers rookie defensive lineman Derrick Harmon has left the team’s final preseason game against the Carolina Panthers . He suffered a knee injury, per the team, and will not return.

After the interception by Steelers cornerback James Pierre , Harmon hit the ground and walked over the sideline and went into the blue medical tent, according to the broadcast. He later walked onto the cart and was taken to the locker room.