Carolina Panthers quarterback Cam Newton (1) receives attention on the sideline after an injury in the first half of an NFL preseason football game against the New England Patriots, Thursday, Aug. 22, 2019, in Foxborough, Mass. (AP Photo/Charles Krupa)

Oakland Raiders' Keisean Nixon (38) celebrates after knocking away a pass in the end zone intended for Green Bay Packers' Equanimeous St. Brown (19) during the first half of an NFL preseason football game Thursday, Aug. 22, 2019, in Winnipeg, Manitoba. (John Woods/The Canadian Press via AP)

Fans clear the stands as a storm ends a preseason NFL football game between the Philadelphia Eagles and the Baltimore Ravens, Thursday, Aug. 22, 2019, in Philadelphia. (AP Photo/Matt Rourke)

Carolina Panthers quarterback Cam Newton grimaces as he receives attention on the sideline after an injury in the first half of an NFL preseason football game against the New England Patriots, Thursday, Aug. 22, 2019, in Foxborough, Mass. (AP Photo/Charles Krupa)

Oakland Raiders quarterback Nathan Peterman looks for a receiver during the second half of the team's NFL preseason football game against the Green Bay Packers on Thursday, Aug. 22, 2019, in Winnipeg, Manitoba. (John Woods/The Canadian Press via AP)

New England Patriots defensive tackle Adam Butler (70) sacks Carolina Panthers quarterback Cam Newton (1) in the first half of an NFL preseason football game, Thursday, Aug. 22, 2019, in Foxborough, Mass. (AP Photo/Elise Amendola)