New England Patriots tight end Rob Gronkowski reacts after dropping the ball against the New York Jets. (Ric Tapia/NFL)

Carolina Panthers fullback Mike Tolbert (35) scores a touchdown against the St. Louis Rams. (Bob Donnan/USA TODAY Sports)

Detroit Lions wide receiver Calvin Johnson catches a 50-yard touchdown reception over Cincinnati Bengals outside linebacker Vontaze Burfict, free safety Reggie Nelson and strong safety George Iloka. (AP Photo/Rick Osentoski)

Tennessee Titans players take part in a moment of silence in tribute to the late Bum Phillips before a game against the San Francisco 49ers in Nashville, Tenn. Phillips, the former Houston Oilers head coach, passed away Friday. (AP Photo/Mark Zaleski)

The Green Bay Packers' Jarrett Boykin (11) dives into the end zone over the Cleveland Browns' Buster Skrine (22) and Joe Haden for a touchdown. The Packers won 31-13. (AP Photo/Tom Lynn)

Miami Dolphins wide receiver Brandon Gibson jumps over Buffalo Bills free safety Aaron Williams (23) and strong safety Da'Norris Searcy for a touchdown. (AP Photo/Lynne Sladky)

Atlanta Falcons wide receiver Harry Douglas runs into the end zone as Tampa Bay Buccaneers cornerback Johnthan Banks tries to make the tackle. (AP Photo/David Goldman)

Kansas City Chiefs wide receiver Dwayne Bowe is knocked down by Houston Texans free safety Shiloh Keo. (AP Photo/Ed Zurga)

Washington Redskins quarterback Robert Griffin III greets his teammates as he runs on the field before a game against the Chicago Bears. (AP Photo/Alex Brandon)

San Diego Chargers wide receiver Eddie Royal catches a 27-yard pass for a touchdown as Jacksonville Jaguars strong safety Johnathan Cyprien can't stop him. (AP Photo/Phelan M. Ebenhack)