Pittsburgh Steelers wide receiver Antonio Brown (84) wears a fur cap during warm ups before an NFL football game against the Cleveland Browns in Pittsburgh, Sunday, Jan. 1, 2017. (AP Photo/Jared Wickerham)

Dallas Cowboys' Dak Prescott speaks during a news conference after an NFL football game against the Philadelphia Eagles, Sunday, Jan. 1, 2017, in Philadelphia. (AP Photo/Michael Perez)

New England Patriots quarterback Tom Brady speaks during a post-game news conference after an NFL football game, Sunday, Jan. 1, 2017, in Miami Gardens, Fla. The Patriots defeated the Dolphins 35-14. (AP Photo/Lynne Sladky)

Carolina Panthers quarterback Cam Newton answers a question during a post-game news conference after an NFL football game against the Tampa Bay Buccaneers in Tampa, Fla., Sunday, Jan. 1, 2017. The Buccaneers won 17-16. (AP Photo/Phelan M. Ebenhack)

Carolina Panthers quarterback Cam Newton leaves a post-game news conference after an NFL football game against the Tampa Bay Buccaneers in Tampa, Fla., Sunday, Jan. 1, 2017. The Buccaneers won 17-16. (AP Photo/Phelan M. Ebenhack)

Pittsburgh Steelers wide receiver Antonio Brown waves to fans from the sideline during the first half of an NFL football game against the Cleveland Browns in Pittsburgh, Sunday, Jan. 1, 2017. (AP Photo/Jared Wickerham)

Seattle Seahawks quarterback Russell Wilson arrives before an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Jan. 1, 2017. (AP Photo/Tony Avelar)

Tampa Bay Buccaneers quarterback Jameis Winston, left, walks under the stadium after an NFL football game against the Carolina Panthers in Tampa, Fla., Sunday, Jan. 1, 2017. The Buccaneers won 17-16. (AP Photo/Phelan M. Ebenhack)

Cleveland Browns quarterback Robert Griffin III during a press conference following an NFL football game against the Pittsburgh Steelers on Sunday, Jan. 1, 2017, in Pittsburgh . Pittsburgh won 27-24.(AP Photo/Don Wright)