Carolina Panthers owner Jerry Richardson, back, and Pittsburgh Steelers chairman Dan Rooney, front, look on as their teams warm up before an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Carolina Panthers wide receiver Steve Smith throws a pass as the team warms up before an NFL football game against the Pittsburgh Steelers, Thursday, Aug. 29, 2013, in Charlotte, N.C. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Jonathan Dwyer (27) runs as Carolina Panthers' Josh Norman (24) defends during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Pittsburgh Steelers' David Paulson (81) runs into the end zone past Carolina Panthers players for a touchdown during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Landry Jones (3) throws a pass under pressure from Carolina Panthers' Josh Norman (24) during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Pittsburgh Steelers head coach Mike Tomlin, left, talks with quarterback Ben Roethlisberger, right, during the first half of an NFL preseason football game against the Carolina Panthers in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Carolina Panthers' Ted Ginn (19) reaches in vain for a catch as Pittsburgh Steelers' Cortez Allen (28) defends during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Mike McCarn)

Carolina Panthers' Steve Smith, left, and Cam Newton, right, share a laugh during the first half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 29, 2013, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers running back DeAngelo Williams looks out from the bench during the first half of an NFL football game against the Pittsburgh Steelers in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Mike McCarn)

Carolina Panthers' Greg Hardy (76) rips off the helmet of Pittsburgh Steelers' Jonathan Dwyer (27) during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Mike McCarn)

Carolina Panthers' Ted Ginn, left, picks up a fumble as Pittsburgh Steelers' Cortez Allen, right, pursues during the first half of an NFL preseason football game, Thursday, Aug. 29, 2013, in Charlotte, N.C. (AP Photo/Chuck Burton)

Carolina Panthers' Domenik Hixon (87) catches a pass as Pittsburgh Steelers' Cortez Allen (28) during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Carolina Panthers cheerleaders perform during the first half of an NFL football game against the Pittsburgh Steelers in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Carolina Panthers quarterbacks Cam Newton, left, Derek Anderson, center, and Jimmy Clausen, celebrate Anderson's touchdown pass against the Pittsburgh Steelers during the first half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. (AP Photo/Bob Leverone)

Carolina Panthers' Armond Smith (36) hurdles teammate Zack Pianalto (82) as Pittsburgh Steelers' Vince Williams (44) defends during the second half of an NFL preseason football game in Charlotte, N.C., Thursday, Aug. 29, 2013. The Panthers won 25-10. (AP Photo/Bob Leverone)