Chicago Bears defensive tackle Dan Hampton (99) and linebacker Ron Rivera (59) set for play during the Bears 21 - 17 loss to the Washington Redskins in the 1987 NFC Divisional Playoff game on Jan. 10, 1988 at Soldier Field in Chicago. (Al Messerschmidt via AP)

Minnesota Vikings quarterback Wade Wilson is grabbed by Chicago Bears linebreaker Ron Rivera, right, in the second half of Sunday's game, December 7, 1987 at Minneapolis, Minn. Wilson, who replaced Tom Kramer late in the first half completed 12 of 19 passes for 211 yards and three TD's. The Bears won on a last minute touchdown drive, 30-24. (AP Photo/Jim Mone)

San Diego Chargers inside linebackers coach Ron Rivera looks on before an NFL divisional playoff football game against the Indianapolis Colts, Sunday, Jan. 13, 2008, in Indianapolis. (AP Photo/Jeff Roberson)

San Diego Chargers defensive coordinator Ron Rivera during the third quarter of an NFL football game against the Washington Redskins Sunday Jan. 3, 2010 in San Diego. (AP Photo/Denis Poroy)

Chicago Bears defensive coordinator Ron Rivera, center, talks to members of his defense during the afternoon practice at training camp Saturday, July 31, 2004, in Bourbonnais, Ill. This is the first year as defensive coordinator for Rivera, who played on the Bears' Super Bowl championship team in 1985. (AP Photo/Jeff Roberson)

Carolina Panthers head coach Ron Rivera, center, talks to his team after an NFL football practice at their training camp in Spartanburg, S.C., Monday, July 28, 2014. (AP Photo/Chuck Burton)

Carolina Panthers coach Ron Rivera (left) and Washington Redskins coach Jay Gruden shake hands after a NFL football game in Landover, Md., Monday, Dec. 19, 2016. The Panthers defeated the Redskins 26-15. (Kirby Lee/NFL)

Carolina Panthers head coach Ron Rivera answers a question during Opening Night for the NFL Super Bowl 50 football game Monday, Feb. 1, 2016, in San Jose, Calif. (AP Photo/Jeff Chiu)

Carolina Panthers head coach Ron Rivera celebrates with Jonathan Stewart after the NFL football NFC Championship game against the Arizona Cardinals, Sunday, Jan. 24, 2016, in Charlotte, N.C. The Panthers won 49-15 to advance to the Super Bowl. (AP Photo/Mike McCarn)

Carolina Panthers new head coach Ron Rivera answers a question during a news conference in Charlotte, N.C., Tuesday, Jan. 11, 2011. (AP Photo/Chuck Burton)

Carolina Panthers head coach Ron Rivera watches the action from the sidelines during the second half of an NFL football game against the Washington Redskins in Landover, Md., Monday, Dec. 19, 2016. (AP Photo/Alex Brandon)

Carolina Panthers Head Coach Ron Rivera in action against the Washington Redskins November 4, 2012 at FedEX field in Landover, Maryland Carolina defeated Washington 21-13. (AP Photo/Damian Strohmeyer)

Carolina Panthers head coach Ron Rivera stands on the sidelines during the second half of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Oct. 27, 2019. (AP Photo/Ben Margot)

Carolina Panthers head coach Ron Rivera answers questions during a press conference in preparation for the Super Bowl 50 football game Thursday Feb. 4, 2016 in San Jose, Calif. (AP Photo/Marcio Jose Sanchez)

Carolina Panthers head coach Ron Rivera raises his arms after they scored on Steve Smith's touchdown catch during the first half of an NFL football game against the Washington Redskins Sunday, Nov. 4, 2012, in Landover, Md. (AP Photo/Richard Lipski)