Pittsburgh Steelers first-round pick Derrick Harmon was carted off the field during Thursday's preseason game against the Carolina Panthers after sustaining a knee injury. Coach Mike Tomlin said after the 19-10 win that Harmon suffered a "knee sprain" and is being further evaluated.

Pittsburgh Steelers first-round draft pick Derrick Harmon sprained a knee in the preseason finale against the Carolina Panthers and had to be carted to the locker room.

Steelers rookie defensive tackle Derrick Harmon avoids disaster in Thursday night's preseason game vs. Panthers