Baltimore Ravens wide receiver Kamar Aiken celebrates after scoring a touchdown against the Cleveland Browns. The Ravens' win put the team into the playoffs. (AP Photo/Gail Burton)

Jacksonville Jaguars running back Jordan Todman scores a touchdown pass from receiver Cecil Shorts on a trick play against the Houston Texans. (AP Photo/Patric Schneider)

Kansas City Chiefs outside linebacker Justin Houston sacks San Diego Chargers quarterback Philip Rivers. Houston had four sacks in Kansas City's 19-7 win. (AP Photo/Charlie Riedel)

Dallas Cowboys running back DeMarco Murray is stopped by Washington Redskins free safety Ryan Clark (25) and inside linebacker Perry Riley (56). (AP Photo/Alex Brandon)

Detroit Lions wide receiver Calvin Johnson pulls in a pass as Green Bay Packers strong safety Morgan Burnett (42) defends. The Packers beat the Lions, 30-20, to win the NFC North division crown for the fourth consecutive season. (Todd Rosenberg/NFL)

Carolina Panthers quarterback Cam Newton celebrates his touchdown with Joe Webb (14) and Derek Anderson (3). The Panthers became the first team to win the NFC South in consecutive seasons. (AP Photo/Brynn Anderson)

Buffalo Bills defenders Jarius Wynn (left), Preston Brown (second from left) and Jerry Hughes (right) sack New England Patriots quarterback Jimmy Garoppolo. The sack, however, was negated by a penalty. (AP Photo/Elise Amendola)

San Diego Chargers wide receiver Eddie Royal is pushed out of bounds by Kansas City Chiefs defensive back Jamell Fleming before reaching the end zone. (AP Photo/Charlie Riedel)

Dallas Cowboys wide receiver Dez Bryant pulls in a touchdown pass under pressure from Washington Redskins cornerback David Amerson. Bryant set a new Cowboys touchdown receptions record with 16 in 2014. (AP Photo/Richard Lipski)

The New York Giants' Larry Donnell hurdles the Philadelphia Eagles' Jaylen Watkins. (AP Photo/Julio Cortez)