Clay Matthews and Colin Kaepernick have words during the game between the Green Bay Packers and the San Francisco 49ers at Candlestick Park. (Ric Tapia/NFL)

Nick Folk reacts after kicking a 48-yard field goal to help the New York Jets defeat the Tampa Bay Buccaneers, 18-17, in the closing seconds on Sunday. (AP Photo/Mel Evans)

St. Louis Rams tight end Jared Cook dives into the end zone after catching a 16-yard pass for a touchdown as Arizona Cardinals safety Yeremiah Bell defends. (AP Photo/L.G. Patterson)

Cincinnati Bengals linebacker Vontaze Burfict (55) puts his hands on Chicago Bears quarterback Jay Cutler's helmet as Cutler slides. No penalty was called, but the Bears still managed to win, 24-21. (AP Photo/Charles Rex Arbogast)

Seattle Seahawks wide receiver Jermaine Kearse (15) catches the winning touchdown against the Carolina Panthers in the Seahawks' 12-7 win. (Perry Knotts/NFL)

New Orleans Saints tight end Jimmy Graham reaches over the pylon to score a touchdown against the Atlanta Falcons. (AP Photo/Bill Feig)

Buffalo Bills wide receiver Steve Johnson (13) catches a touchdown pass from EJ Manuel in front of the New England Patriots' Devin McCourty (32) and Kyle Arrington (25). (AP Photo/Bill Wippert)

Green Bay Packers wide receiver Randall Cobb (18) stretches the ball to score on a 5-yard touchdown reception against the San Francisco 49ers. (AP Photo/Marcio Jose Sanchez)

Atlanta Falcons cornerback Robert Alford (23) breaks up a pass intended for New Orleans Saints wide receiver Kenny Stills (84). (AP Photo/Bill Haber)

Detroit Lions running back Joique Bell (35) jumps into the stands after his touchdown against the Minnesota Vikings at Ford Field. (AP Photo/Paul Sancya)