FILE - In this July 25, 2019, file photo, Buffalo Bills wide receiver John Brown catches a pass during practice at the NFL football team's training camp in Pittsford, N.Y. Aside from signing Cole Beasley to a four-year, $29 million contract, the Bills also signed Brown, tight end Tyler Kroft, running backs Frank Gore and TJ Yeldon, and retooled their offensive line with six new players. (AP Photo/Adrian Kraus, File)

New England Patriots head coach Bill Belichick during Day 10 of 2019 Detroit Lions Training Camp presented by Rocket Mortgage on Monday, Aug. 5, 2019 in Allen Park, Mich. (Detroit Lions via AP)

Indianapolis Colts head coach Frank Reich, left, shakes hands with Buffalo Bills head coach Sean McDermott after an NFL preseason football game, Thursday, Aug. 8, 2019, in Orchard Park, N.Y. The Bills defeated the Colts 24-16. (AP Photo/Adrian Kraus)

FILE - In this July 25, 2019, file photo, Buffalo Bills wide receiver Cole Beasley catches a pass during practice at the NFL football team's training camp in Pittsford, N.Y. In Buffalo, Beasley is being asked to play a central role in what had been a patchwork offense that underwent a major overhaul in free agency this offseason. (AP Photo/Adrian Kraus, File)

Carolina Panthers owner David Tepper, left, jokes with quarterback Cam Newton (1) during a Fan Fest practice at the NFL football team's training camp in Charlotte, N.C., Friday, Aug. 2, 2019. (AP Photo/Chuck Burton)

Carolina Panthers running back Elijah Holyfield heads to the end zone and scores as Chicago Bears linebacker Joel Iyiegbuniwe defends during the second half of an NFL preseason football game Thursday, Aug. 8, 2019, in Chicago. (AP Photo/Mark Black)

Carolina Panthers coach Ron Rivera looks along the bench during the second half of the team's NFL preseason football game against the Chicago Bears on Thursday, Aug. 8, 2019, in Chicago. (AP Photo/Amr Alfiky)