Carolina Panthers quarterback Cam Newton celebrates after his team's touchdown against the Atlanta Falcons. (AP Photo/Mike McCarn)

A pass gets away from San Diego Chargers wide receiver Keenan Allen in the end zone while under pressure from Washington Redskins free safety David Amerson. (AP Photo/Alex Brandon)

Kansas City Chiefs wide receiver Dexter McCluster makes a catch as Buffalo Bills defensive back Nickell Robey defends. (Kevin Hoffman-USA TODAY Sports)

Seattle Seahawks quarterback Russell Wilson pushes off of the Tampa Bay Buccaneers' Michael Adams. (AP Photo/Elaine Thompson)

Philadelphia Eagles wide receiver DeSean Jackson celebrates as he scores on a 46-yard touchdown pass from quarterback Nick Foles. (AP Photo/Marcio Jose Sanchez)

The Carolina Panthers' DeAngelo Williams is introduced before a game against the Atlanta Falcons. (AP Photo/Chuck Burton)

Cleveland Browns wide receiver Davone Bess scores his second touchdown of the game as Baltimore Ravens cornerback Corey Graham defends. (Ken Blaze/USA TODAY Sports)

San Diego Chargers running back Danny Woodhead dives over Washington Redskins free safety David Amerson and lands short of the end zone. (AP Photo/Alex Brandon)

Minnesota Vikings running back Adrian Peterson scores a touchdown against the Dallas Cowboys. (Tim Heitman/USA TODAY Sports)

New England Patriots tight end Rob Gronkowski celebrates his touchdown catch in front of Pittsburgh Steelers safeties Ryan Clark and Troy Polamalu. (AP Photo/Charles Krupa)