Bears linebacker Khalil Mack (52) stands on the sidelines prior to the start of Chicago's game against the Los Angeles Rams.

Flanked by Oakland Raiders guard Chaz Green (65) and wide receiver Jordy Nelson (82), offensive line coach Tom Cable, head coach Jon Gruden, left, celebrates after a touchdown against the Pittsburgh Steelers during the second half of an NFL football game in Oakland, Calif. The Raiders defeated the Steelers 24-21 after Steelers kicker Chris Boswell (9) slipped on a game-tying field goal attempt.

New England Patriots wide receiver Josh Gordon (10) is unable to make a catch against Miami Dolphins cornerback Xavien Howard (25) during the second half at Hard Rock Stadium.

Kansas City Chiefs quarterback Patrick Mahomes (15) throws a pass during the first half of an NFL football game against the Baltimore Ravens in Kansas City, Mo. The Chiefs defeated the Ravens in overtime with a score of 27-24. Mahomes threw for 377 yards and two touchdowns.

Los Angeles Chargers wide receiver Keenan Allen (13) makes a touchdown catch in front of Cincinnati Bengals defensive back Darqueze Dennard (21) during the first half of an NFL football game in Carson, Calif.

Members of the Miami Dolphins celebrate following the game-winning touchdown against the Patriots in Miami Gardens, Fla. Down five points on their own 31-yard line with seven seconds left in the game, the Dolphins resorted to a play called "Boise" (inspired by Boise State who ran it against Oklahoma in the 2007 Fiesta Bowl) to score a touchdown featuring a 14-yard pass from Dolphins quarterback Ryan Tannehill to wide receiver Kenny Stills and two laterals -- one from Stills to wide receiver DeVante Parker, another from Parker to running back Kenyan Drake -- defeating the New England Patriots at the end of regulation.

Dallas Cowboys wide receiver Amari Cooper (19) scores a 15-yard touchdown against the Philadelphia Eagles in overtime of an NFL football game, in Arlington, Texas, Sunday, Dec. 9, 2018. Dallas won 29-23.

Kansas City Chiefs quarterback Patrick Mahomes, left, and Baltimore Ravens quarterback Lamar Jackson greet each other after an NFL football game in Kansas City, Mo.

Pittsburgh Steelers wide receiver JuJu Smith-Schuster (19) catches the ball in the back of the end zone, originally called out of bounds later reviewed as a touchdown against the Oakland Raiders during the second quarter at Oakland Coliseum.

New York Giants running back Saquon Barkley (26) celebrates after scoring a 78-yard touchdown run against the Washington Redskins in the second quarter at FedEx Field. Barkley became the first Giants running back to surpass 1,000 rushing yards in their rookie season.