NOTES: LT Andrew Whitworth practiced on a limited basis Thursday,Zaino Fjallraven Kanken Offerta, an improvement from the previous week. Whitworth sat out the opener against Chicago because of a sore left knee, which was cleaned out after last season. He could play against the Steelers. ... LB Vontaze Burfict also was limited by a sore right thigh, hit by a helmet during an interception return in Chicago.
CHARLOTTE, N.C. (AP) 鈥?Panthers coach Ron Rivera is anxious to see if Domenik Hixon or Armanti Edwards can step up and be the team's third wide receiver.