Carolina Panthers LB Thomas Davis reacts during a week 15 NFL football game against the New Orleans Saints on Monday, Dec. 17, 2018 in Charlotte, N.C.

Carolina Panthers' Thomas Davis (58) jumps high as Seattle Seahawks' Russell Wilson (3) tries to pass during the first half of an NFL football game in Charlotte, N.C., Sunday, Nov. 25, 2018. (AP Photo/Jason E. Miczek)

Carolina Panthers outside linebacker Thomas Davis (58) during an NFL Football game against the Seattle Seahawks, Sunday, November 25, 2018, in Charlotte, NC. Seattle won 30-27. (Paul Abell via AP)

Carolina Panthers outside linebacker Thomas Davis (58) during an NFL football regular season game against the New Orleans Saints on Sunday, Dec. 30, 2018 in New Orleans. The Panthers won, 33-14. (Ric Tapia via AP)

Carolina Panthers outside linebacker Thomas Davis (58) runs onto the field before the start of an NFL football game against the Seattle Seahawks in Charlotte, N.C., Sunday, Nov. 25, 2018. (AP Photo/Mike McCarn)

Carolina Panthers outside linebacker Thomas Davis (58) on the field prior to an NFL football game against the Pittsburgh Steelers, Thursday, Nov. 8, 2018 in Pittsburgh. (Ben Liebenberg via AP)

Carolina Panthers outside linebacker Thomas Davis (58) during an NFL football wild card playoff game against the New Orleans Saints on Sunday, Jan. 7, 2018 in New Orleans. The Saints won, 31-26. (Ric Tapia via AP)

Carolina Panthers linebacker Thomas Davis (58) takes the field with teammates prior to an NFL football game against the Buffalo Bills, Thursday, Aug. 9, 2018, in Orchard Park, N.Y. (AP Photo/Jeffrey T. Barnes)

Carolina Panthers linebacker Thomas Davis (58) drops into coverage in action against the Baltimore Ravens Sunday Oct. 28, 2018 in Charlotte, N.C. (Damian Strohmeyer via AP)

Carolina Panthers linebacker Thomas Davis defends against the Tampa Bay Buccaneers in an NFL football game in Charlotte, N.C., Sunday, Nov. 4, 2018.

Carolina Panthers linebacker Thomas Davis (58) warms up prior to an NFL preseason game against the New England Patriots, Friday, Aug. 24th, 2018 in Charlotte, North Carolina. (Logan Bowles via AP)

Carolina Panthers outside linebacker Thomas Davis (58) is seen during a NFL football game against the Baltimore Ravens, Sunday, Oct. 28, 2018, in Charlotte, N.C. (Logan Bowles via AP)

Tampa Bay Buccaneers tight end Cameron Brate (84) catches the ball in front of Carolina Panthers linebacker Thomas Davis (58) during an NFL football game on Sunday, Oct. 29, 2017 in Tampa, Fla. Carolina won 17-3. (Peter Read Miller via AP)

Carolina Panthers outside linebacker Thomas Davis (58) celebrates his fumble recovery against the Detroit Lions during an NFL football game in Detroit, Sunday, Oct. 8, 2017. (AP Photo/Paul Sancya)

Miami Dolphins' Jay Cutler (6) looks to pass under pressure from Carolina Panthers' Thomas Davis (58) in the first half of an NFL football game in Charlotte, N.C., Monday, Nov. 13, 2017. (AP Photo/Mike McCarn)

Carolina Panthers outside linebacker Thomas Davis (58) warms up prior to an NFL football game against the Green Bay Packers in Charlotte, N.C., Sunday, Dec. 17, 2017. (AP Photo/Mike McCarn)

Tampa Bay Buccaneers quarterback Ryan Fitzpatrick (14) loses the ball after being hit by Carolina Panthers outside linebacker Thomas Davis (58) during an NFL football game in Charlotte, N.C., Sunday, Nov. 4, 2018. (AP Photo/Mike McCarn)

Carolina Panthers outside linebacker Thomas Davis (58) and Carolina Panthers linebacker David Mayo (55) warm up prior to a game against the Philadelphia Eagles, Thursday, Oct. 12, 2017 in Charlotte, N.C. (Logan Bowles via AP)

Carolina Panthers outside linebacker Thomas Davis (58) enters the field before an NFL football game between the Carolina Panthers and the Miami Dolphins in Charlotte, N.C., Monday, Nov. 13, 2017. (AP Photo/Mike McCarn)

Carolina Panthers outside linebacker Thomas Davis (58) rushes on Cleveland Browns quarterback Baker Mayfield (6) during an NFL football game in Cleveland, Sunday, Dec. 9, 2018. (Rick Osentoski via AP Images)

Carolina Panthers outside linebacker Thomas Davis (58) walks off the field after an NFL football regular season game against the New Orleans Saints on Sunday, Dec. 30, 2018 in New Orleans. The Panthers won, 33-14. (Ric Tapia via AP)

Carolina Panthers linebacker Thomas Davis (58) in coverage during an NFL NFC wild-card playoff football game against the New Orleans Saints on Sunday, Jan. 7, 2018 in New Orleans. New Orleans won 31-26. (Aaron M. Sprecher via AP)

Carolina Panthers outside linebacker Thomas Davis (58) in coverage during a week 15 NFL football game against the New Orleans Saints on Monday, Dec. 17, 2018 in Charlotte, N.C. New Orleans won 12-9. (Aaron M. Sprecher via AP)

Atlanta Falcons running back Tevin Coleman (26) is hit by Carolina Panthers outside linebacker Thomas Davis (58) during the first half of an NFL football game, Sunday, Dec. 31, 2017, in Atlanta. (AP Photo/David Goldman)

Carolina Panthers outside linebacker Thomas Davis (58) takes the field with an American flag during player introductions prior to an NFL game against the Tampa Bay Buccaneers, Sunday, Nov. 4, 2018, in Charlotte, N.C. (Aaron Doster via AP)

Carolina Panthers outside linebacker Thomas Davis (58) during an NFL game against the Tampa Bay Buccaneers, Sunday, Nov. 4, 2018, in Charlotte, N.C. (Aaron Doster via AP)

Carolina Panthers outside linebacker Thomas Davis (58) during an NFL game against the Tampa Bay Buccaneers, Sunday, Nov. 4, 2018, in Charlotte, N.C. (Aaron Doster via AP)

Carolina Panthers outside LB Thomas Davis arrives at the NFL Honors awards show on Saturday, Feb. 2, 2019 in Atlanta, GA.