Green Bay Packers wide receiver Greg Jennings celebrates with fans after catching a 57-yard touchdown pass during the first half of an NFL football game against the San Francisco 49ers, Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers quarterback Aaron Rodgers warms up before an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers guard T.J. Lang warms up before an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers linebacker Clay Matthews tackles San Francisco 49ers quarterback Troy Smith (1) after a 10-yard run during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

San Francisco 49ers wide receiver Michael Crabtree (15) catches a 27-yard pass in front of Green Bay Packers cornerback Tramon Williams during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers quarterback Aaron Rodgers drops back during the first half of an NFL football game against the San Francisco 49ers, Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

A fan cheers during the first half of an NFL football game between the Green Bay Packers and the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers quarterback Aaron Rodgers runs during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers running back Brandon Jackson (32) tries to get away from San Francisco 49ers cornerback Nate Clements (22) after catching a 37-yard pass during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers wide receiver Greg Jennings catches a 57-yard touchdown pass in front of San Francisco 49ers safety Reggie Smith during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers quarterback Aaron Rodgers drops back top pass during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

San Francisco 49ers tight end Vernon Davis (85) catches a 66-yard touchdown pass in front of Green Bay Packers safety Nick Collins (36) during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

San Francisco 49ers quarterback Troy Smith (1) throws with Green Bay Packers linebacker Clay Matthews (52) rushing during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

San Francisco 49ers quarterback Troy Smith tries to scramble away from Green Bay Packers defensive end Cullen Jenkins (77) during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers quarterback Aaron Rodgers (12) throws a shovel pass to Brandon Jackson (32) during the first half of an NFL football game against the San Francisco 49ers, Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers running back Brandon Jackson (32) tries to get away from San Francisco 49ers cornerback Nate Clements (22) after catching a 37-yard pass during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers wide receiver Greg Jennings catches a 57-yard touchdown pass in front of San Francisco 49ers safety Reggie Smith during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Green Bay Packers cheerleader performs during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers fullback John Kuhn tries to leap into the crowd during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers cornerback Tramon Williams breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Morry Gash)

San Francisco 49ers head coach Mike Singletary on the sidelines during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers running back James Starks (44) runs past San Francisco 49ers cornerback Tramaine Brock (26) during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

Green Bay Packers safety Charlie Peprah (26) tackles San Francisco 49ers tight end Vernon Davis (85) after a catch during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Mike Roemer)

Green Bay Packers quarterback Aaron Rodgers (12) runs past San Francisco 49ers defensive tackle Justin Smith (94) during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)

San Francisco 49ers wide receiver Ted Ginn Jr. (19) catches a pass in front of Green Bay Packers cornerback Sam Shields during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Mike Roemer)

Green Bay Packers quarterback Aaron Rodgers (12) is tripped up by San Francisco 49ers cornerback Nate Clements (22) after a first down run during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

San Francisco 49ers tight end Vernon Davis drops a pass during the second half of an NFL football game against the Green Bay Packers, Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Mike Roemer)

Green Bay Packers wide receiver Donald Driver gets past San Francisco 49ers' Nate Clements (22), Dashon Goldson (38) and Ahmad Brooks (55) for a 61-yard touchdown pass during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

Green Bay Packers cornerback Sam Shields (37) breaks up a pass intended for San Francisco 49ers wide receiver Ted Ginn Jr. (19) during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)

Green Bay Packers' Andrew Quarless, top, blocks San Francisco 49ers safety Dashon Goldson (38) as wide receiver Donald Driver (80) makes his way to the end zone for a 61-yard touchdown pass during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

San Francisco 49ers tight end Vernon Davis (85) catches a 66-yard touchdown pass in front of Green Bay Packers safety Nick Collins (36) during the first half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers head coach Mike McCarthy looks up during the second half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

Green Bay Packers running back Brandon Jackson catches a 37-yard pass during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

San Francisco 49ers quarterback Troy Smith scrambles during the second half of an NFL football game against the Green Bay Packers Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Jeffrey Phelps)

Green Bay Packers running back James Starks runs during the second half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)

Green Bay Packers quarterback Aaron Rodgers slides during the second half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)

Green Bay Packers quarterback Aaron Rodgers drops back during the first half of an NFL football game against the San Francisco 49ers Sunday, Dec. 5, 2010, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

San Francisco 49ers quarterback Troy Smith scrambles past Green Bay Packers linebacker Frank Zombo during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)

Green Bay Packers cornerback Sam Shields (37) breaks up a pass intended for San Francisco 49ers wide receiver Ted Ginn Jr. (19) during the second half of an NFL football game Sunday, Dec. 5, 2010, in Green Bay, Wis. The Packers won 34-16. (AP Photo/Morry Gash)