Carolina Panthers quarterback Cam Newton poses with children before the first half an NFL preseason football game against the Buffalo Bills, Friday, Aug. 16, 2019, in Charlotte. (AP Photo/Brian Blanco)

Buffalo Bills quarterback Josh Allen (17) works against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Buffalo Bills quarterback Josh Allen (17) runs out of the pocket against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Buffalo Bills tight end Tommy Sweeney (89) runs against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Buffalo Bills quarterback Josh Allen (17) is tackled by Carolina Panthers cornerback Corn Elder (29) during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Carolina Panthers quarterback Kyle Allen (7) runs out of the pocket against the Buffalo Bills during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers quarterback Kyle Allen (7) runs out of the pocket against the Buffalo Bills during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Buffalo Bills running back LeSean McCoy (25) celebrates his touchdown against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Carolina Panthers head coach Ron Rivera speaks with head linesman Jim Howey (37) during the first half an NFL preseason football game against the Buffalo Bills, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers quarterback Cam Newton watches a replay with Carolina Panthers head coach Ron Rivera on the sidelines during the first half an NFL preseason football game against the Buffalo Bills, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Buffalo Bills defensive back Levi Wallace (39) tackles Carolina Panthers wide receiver Curtis Samuel (10) during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers quarterback Cam Newton walks the sidelines during the first half an NFL preseason football game against the Buffalo Bills, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Buffalo Bills head coach Sean McDermott watches play against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Buffalo Bills strong safety Dean Marlowe (31) tips the ball intended for Carolina Panthers tight end Jason Vander Laan (84) during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers running back Reggie Bonnafon (39) runs against the Buffalo Bills during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers quarterback Will Grier (3) looks for a reciever against the Buffalo Bills during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Buffalo Bills running back T.J. Yeldon (29) runs against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Carolina Panthers running back Reggie Bonnafon is tackled by Buffalo Bills linebacker Julian Stanford, rear, during the first half an NFL preseason football game in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Mike McCarn)

Buffalo Bills running back T.J. Yeldon (29) runs against the Carolina Panthers during the first half an NFL preseason football game, Friday, Aug. 16, 2019, in Charlotte, N.C. (AP Photo/Brian Blanco)

Carolina Panthers quarterback Will Grier (3) scrambles during the first half an NFL preseason football game against the Buffalo Bills in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Mike McCarn)

Carolina Panthers linebacker Jared Norris (52) works the backfield during the first half an NFL preseason football game against the Buffalo Bills in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Mike McCarn)

Buffalo Bills running back Christian Wade (45) finds some running room during the second half an NFL preseason football game against the Carolina Panthers in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Mike McCarn)

Carolina Panthers Jaydon Mickens runs a play during the second half an NFL preseason football game against te Buffalo Bills in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Brian Blanco)

Carolina Panthers head coach Ron Rivera, right, and Buffalo Bills head coach Sean McDermott speak following an NFL preseason football game in Charlotte, N.C., Friday, Aug. 16, 2019. (AP Photo/Mike McCarn)

FILE - In this Friday, Aug. 16, 2019 file photo,Buffalo Bills quarterback Josh Allen (17) works against the Carolina Panthers during the first half an NFL preseason football game in Charlotte, N.C. Buffalo’s roster features a collection of draft picks, including quarterback Josh Allen and middle linebacker Tremaine Edmunds, each entering their second seasons. And the foundation has been supported by this past offseason's free-agency haul of about 20 additions _ a majority brought in to improve a patchwork offense and spur Allen's development. (AP Photo/Brian Blanco, File)

FILE - In this Aug. 16, 2019, file photo, Carolina Panthers quarterback Cam Newton warms up before the first half an NFL preseason football game against the Buffalo Bills in Charlotte. Newton emphatically stated the Carolina Panthers “want the division back.” For the Panthers to win their first NFC South title since 2015, Newton needs to prove he can stay healthy _ and be productive. (AP Photo/Brian Blanco, File)

FILE - In this Aug. 16, 2019, file photo, Buffalo Bills quarterback Josh Allen (17) runs out of the pocket against the Carolina Panthers during the first half an NFL preseason football game, in Charlotte, N.C. Given the many variables that go into developing an elite quarterback, Pro Football Hall of Famer Jim Kelly can't even imagine assessing what to make of last year's group of five first-round draft picks as they enter their sophomore seasons. (AP Photo/Brian Blanco, File)