Pittsburgh Steelers' Darrius Heyward-Bey (85) reaches for a pass as Carolina Panthers' Thomas DeCoud (21) defends during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. The pass was incomplete. (AP Photo/Bob Leverone)

Carolina Panthers' Jason Avant, right, catches a pass as Pittsburgh Steelers' William Gay, left, defends during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Ben Roethlisberger, back, looks to pass under pressure from Carolina Panthers' Bene Benwikere (25) during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Markus Wheaton (11) catches a pass as Pittsburgh Steelers' Mike Mitchell (23) defends during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. The play was ruled incomplete since Wheaton stepped out of bounds before catching the ball. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Antonio Brown (84) catches a pass as Carolina Panthers' Bene Benwikere (25) defends during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Heath Miller (83) runs after a catch as Carolina Panthers' Charles Godfrey (30) defends during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Shaun Suisham (6) kicks a field goal against the Carolina Panthers during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) takes the field before an NFL football game against the Carolina Panthers in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Melvin White (23) tries to tackle Pittsburgh Steelers' Le'Veon Bell (26) during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers quarterback Cam Newton (1) throws a pass against the Pittsburgh Steelers during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Carolina Panthers' Cam Newton (1) looks to hand of the ball as Pittsburgh Steelers' Steve McLendon (90) closes in during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Ben Roethlisberger (7) is sacked by Carolina Panthers' Mario Addison (97) and Star Lotulelei (98) during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Carolina Panthers' Mario Addison (97) celebrates a sack of Pittsburgh Steelers' Ben Roethlisberger (7) during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers coach Mike Tomlin, right, looks at a video board as he talks with head linesman Jim Howey, left, during the first half of an NFL football game against the Carolina Panthers in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Carolina Panthers' Cam Newton (1) throws a pass against the Pittsburgh Steelers during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Cam Newton (1) scrambles past Pittsburgh Steelers' Jarvis Jones (95) during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Antonio Brown (84) celebrates his touchdown catch as Carolina Panthers' Melvin White (23) watches on during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Kelvin Benjamin (13) runs as Pittsburgh Steelers' Ike Taylor (24) wraps him up and Troy Polamalu (43) closes in during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Ben Roethlisberger (7) prepares to pass under pressure from Carolina Panthers' Kony Ealy (94) during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Ben Roethlisberger ;ooks to pass against the Carolina Panthers during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Antonio Brown reacts after a touchdown catch against the Carolina Panthers during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Greg Olsen (88) catches a pass as Pittsburgh Steelers' Cortez Allen (28) defends during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. Olsen ran for a touchdown on the play. (AP Photo/Bob Leverone)

Carolina Panthers' Jonathan Stewart (28) is hit by Pittsburgh Steelers' Mike Mitchell (23) during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Cam Newton looks to pass against the Pittsburgh Steelers during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Greg Olsen (88) dives into the end zone for a touchdown as Pittsburgh Steelers' Mike Mitchell (23) pursues during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)

Carolina Panthers' Philly Brown (16) muffs a punt as Pittsburgh Steelers' Shamarko Thomas (29) closes in during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. Pittsburgh recovered the ball in the end zone for a touchdown. (AP Photo/Mike McCarn)

Pittsburgh Steelers' Ben Roethlisberger gestures after throwing a touchdown pass against the Carolina Panthers during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Robert Golden (21) reacts after recovering a muffed punt in the end zone for a touchdown against the Carolina Panthers during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Bob Leverone)

Pittsburgh Steelers' LeGarrette Blount (27) runs between Carolina Panthers' Robert Golden (21) and Luke Kuechly (59) for a touchdown during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. The Steelers won 37-19. (AP Photo/Bob Leverone)

Pittsburgh Steelers' LeGarrette Blount (27) runs past Carolina Panthers' Antoine Cason (20) for a long gain during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. The Steelers won 37-19. (AP Photo/Bob Leverone)

Pittsburgh Steelers' Le'Veon Bell (26) is tackled by Pittsburgh Steelers' Robert Golden (21) during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 21, 2014. (AP Photo/Mike McCarn)