Some fans make their way to Lambeau Field before an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

A snow-covered statue of Vince Lombardi is seen outside Lambeau Field before an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers' Aaron Rodgers squints in the snow as he warms up before an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Detroit Lions' Mikel Leshoure (25) runs during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Detroit Lions' Matthew Stafford reacts after running for a touchdown against Green Bay Packers' Brad Jones (59) during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Detroit Lions' Matthew Stafford reacts after rushing for a touchdown during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers quarterback Aaron Rodgers (12) tries to run between Detroit Lions' Nick Fairley (98) and DeAndre Levy (54) during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Detroit Lions' Matthew Stafford (9) celebrates his touchdown run with Dominic Raiola during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers defensive end Mike Daniels (76) picks up a fumble by Detroit Lions quarterback Matthew Stafford and runs it back 43-yards for a touchdown during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers defensive end Mike Daniels (76) picks up a fumble by Detroit Lions quarterback Matthew Stafford and runs it back 43-yards for a touchdown during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers defensive end Mike Daniels (76) picks up a fumble by Detroit Lions quarterback Matthew Stafford and runs it back 43-yards for a touchdown during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Detroit Lions quarterback Matthew Stafford walks off the field during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Detroit Lions' Tony Scheffler (85) catches a touchdown pass in front of Green Bay Packers' Davon House (31) during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Detroit Lions quarterback Matthew Stafford fumbles the ball during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. Green Bay Packers' Mike Daniels recovered the fumble and ran it back 43 yards for a touchdown. (AP Photo/Mike Roemer)

Green Bay Packers quarterback Aaron Rodgers breaks away from Detroit Lions' Ricardo Silva (39) for a 27-yard touchdown run during the second half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers' Randall Cobb (18) can't handle a pass while being defended by Detroit Lions' Don Carey (32) during the second half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Detroit Lions' Ndamukong Suh (90) rushes Green Bay Packers quarterback Aaron Rodgers (12) during the second half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers' Randall Cobb leaps over Detroit Lions' Don Carey (32) as he runs back a kick during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Detroit Lions' Calvin Johnson (81) can't handle a pass in front of Green Bay Packers' Tramon Williams (38) during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Actor Will Ferrell helps get the crowd to sing "Roll Out The Barrel" during the second half of an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Actor Will Ferrell helps get the crowd to sing "Roll Out The Barrel" during the second half of an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers' Casey Hayward (29) breaks up a pass intended for Detroit Lions' Tony Scheffler (85) during the second half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers' Randall Cobb reacts after catching a pass for a first down during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers' Randall Cobb makes a one-handed catch during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Actor Will Ferrell high fives the crowd after helping get the crowd to sing "Roll Out The Barrel" during the second half of an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers head coach Mike McCarthy looks up at the scoreboard during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers' Tramon Williams (38) and Jerron McMillian (22) break up a pass intended for Detroit Lions' Tony Scheffler during the second half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. The Packers won 27-20. (AP Photo/Jeffrey Phelps)

Green Bay Packers quarterback Aaron Rodgers (12) shakes hands with Detroit Lions quarterback Matthew Stafford (9) after an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. The Packers won 27-20. (AP Photo/Mike Roemer)

Green Bay Packers running back DuJuan Harris celebrates with fans after his touchdown run during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. The Packers won 27-20. (AP Photo/Mike Roemer)

Green Bay Packers' Ryan Grant runs during the second half of an NFL football game Sagainst the Detroit Lions unday, Dec. 9, 2012, in Green Bay, Wis. The Packers won 27-20. (AP Photo/Mike Roemer)