Carolina Panthers quarterback Cam Newton (1) is introduced before a preseason NFL football game against the Chicago Bears in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Chuck Burton)

Carolina Panthers' Josh Norman (24) returns an interception against the Chicago Bears during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Carolina Panthers quarterback Cam Newton (1) looks to pass against the Chicago Bears during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Chicago Bears' Tim Jennings (26) knocks the ball from Carolina Panthers' Greg Olsen (88) during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears quarterback Jay Cutler looks to pass against the Carolina Panthers during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Carolina Panthers' Cam Newton, left, gives a fist-bump to a fan after giving him a football after a touchdown pass against the Chicago Bears during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Carolina Panthers wide receiver Brandon LaFell (11) runs into the end zone for a touchdown past Chicago Bears linebacker Jon Bostic (57) during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Carolina Panthers running back DeAngelo Williams (34) carries the ball as Chicago Bears defensive end Shea McClellin (99) pursues during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Chuck Burton)

Chicago Bears' Marquess Wilson (10) runs after a catch as Carolina Panthers' Anderson Russell (40) pursues during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Matt Blanchard (4) is hit by Carolina Panthers' Jason Williams (54) during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Michael Ford (32) is congratulated by teammate Kyle Long (75) after making a touchdown run against the Carolina Panthers during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Harvey Unga (45) runs as Carolina Panthers' A.J. Klein (56) and Ben Jacobs (53) defend during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Carolina Panthers coach Ron Rivera, left, talks with Anderson Russell during the second half of a preseason NFL football game against the Chicago Bears in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Carolina Panthers' Kenjon Barner, right, fumbles the ball after being hit by Chicago Bears' Nate Collins, left, during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. The Bears recovered the ball. (AP Photo/Bob Leverone)

Chicago Bears head coach Marc Trestman, center, argues a call with head linesman Tony Veteri, left, during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears quarterback Josh McCown (12) is sacked by Carolina Panthers' Colin Cole (91) during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Carolina Panthers' Kenjon Barner (25) is lifted by teammate Derek Anderson (3) as they celebrate Barner's touchdown run against the Chicago Bears during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Chicago Bears' Fendi Onobun (84) drops a pass in the end zone as Carolina Panthers' Jason Williams (54) and D.J. Campbell (26) defend during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Zack Bowman (38) returns an interception against Carolina Panthers' Kealoha Pilares during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Joe Anderson (19) is pulled down by Carolina Panthers' James Dockery (31) during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Carolina Panthers' Tauren Poole (33) runs as Chicago Bears' Taylor Boggs (60) defends during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears' Jon Bostic (57) spikes the ball in the end zone after returning an interception for a touchdown against the Carolina Panthers during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Mike McCarn)

Chicago Bears' Jay Cutler (6) is sacked by Carolina Panthers' Charles Johnson, left, during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Chicago Bears quarterback Jay Cutler (6) throws a pass against the Carolina Panthers during the first half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. (AP Photo/Bob Leverone)

Carolina Panthers head coach Ron Rivera, right, greets Chicago Bears head coach Marc Trestman, left, after a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. The Panthers won 24-17. (AP Photo/Bob Leverone)

Carolina Panthers kicker Graham Gano (9) kicks a 50-yard field goal against the Chicago Bears during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. The Panthers won 24-17. (AP Photo/Bob Leverone)

Chicago Bears' Matt Blanchard, right, is pulled down by Carolina Panthers' Ryan Rau (48) in the closing seconds of the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. The Panthers won 24-17. (AP Photo/Chuck Burton)

Chicago Bears' Matt Blanchard (4) is tackled by Carolina Panthers' Louis Nzegwu (50) during the second half of a preseason NFL football game in Charlotte, N.C., Friday, Aug. 9, 2013. The Panthers won 24-17. (AP Photo/Mike McCarn)