Toro, the Houston Texans mascot, lowers himself into Reliant Stadium to help introduce the team's banner celebrating its AFC South division title in the 2012 season. (AP Photo/David J. Phillip)

Kansas City Chiefs wide receiver Dwayne Bowe (82) celebrates with fans after a 17-16 win over the Dallas Cowboys. (AP Photo/Charlie Riedel)

The Green Bay Packers' Aaron Rodgers and Jordy Nelson (87) spin balls before taking on the Washington Redskins at legendary Lambeau Field. (AP Photo/Mike Roemer)

The Houston Texans' Brian Cushing (56) celebrates in front of Tennessee Titans quarterback Jake Locker after helping bring down the Titans' Chris Johnson in the end zone for a safety. (AP Photo/David J. Phillip)

New England Patriots wide receiver Aaron Dobson can't make the reception on a pass from Tom Brady against the New York Jets. (AP Photo/Elise Amendola)

The Philadelphia Eagles' Michael Vick and DeSean Jackson hold an American flag before their team's game against the San Diego Chargers. (AP Photo/Michael Perez)

The Indianapolis Colts' Andrew Luck looks to throw against the Miami Dolphins. (AP Photo/Michael Conroy)

Houston Texans defensive end J.J. Watt looks to disturb the play of Tennessee Titans quarterback Jake Locker during the Texans' 30-24 overtime win at Reliant Stadium. (Aaron M. Sprecher/NFL)

A pack of Chicago Bears defenders work to stop Minnesota Vikings running back Adrian Peterson at Soldier Field. (Todd Rosenberg/NFL)

Detroit Lions wide receiver Calvin Johnson is reflected in the face mask of Arizona Cardinals defensive back Tyrann Mathieu. (AP Photo/Darryl Webb)