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San Francisco 49ers wide receiver Michael Crabtree (15) celebrates his touchdown against the Green Bay Packers in the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Nhat V. Meyer/San Jose Mercury News)

Head coach Mike McCarthy (R) of the Green Bay Packers congratulates head coach Jim Harbaugh (L) of the San Francisco 49ers after their NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. The San Francisco 49ers defeated the Green Bay Packers 45 to 31. (Photo by Harry How/Getty Images)

Tight end Vernon Davis #85 of the San Francisco 49ers celebrates after the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. The San Francisco 49ers defeated the Green Bay Packers 45 to 31. (Photo by Harry How/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers runs the ball against nose tackle B.J. Raji #90 of the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers celebrates with wide receiver Michael Crabtree #15 after running the ball for a touchdown against the Green Bay Packers in the third quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers Tarrell Brown (C) celebrates with teammate Carlos Rogers (L) after intercepting a pass against the Green Bay Packers in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers cornerback Tarell Brown (25) returns an interception from Green Bay Packers quarterback Aaron Rodgers as he leaps over Green Bay Packers tight end Jermichael Finley (88) in the first half of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers runs the ball in for a touchdown thrown by quarterback Colin Kaepernick #7 in the second quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers runs the ball in for a touchdown thrown by quarterback Colin Kaepernick #7 in the second quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers hugs quarterback Colin Kaepernick #7 after a touchdown in the second quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Green Bay Packers cornerback Sam Shields (37) returns an interception for a touchdown as he dives past San Francisco 49ers quarterback Colin Kaepernick (7) during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Ben Margot)

Green Bay Packers cornerback Sam Shields (37) celebrates with outside linebacker Clay Matthews (52) after returning an interception from San Francisco 49ers quarterback Colin Kaepernick for a touchdown during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Ben Margot)

Quarterback Alex Smith #11 of the San Francisco 49ers looks on during warm ups prior to the NFC Divisional Playoff Game against the Green Bay Packers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Cornerback Sam Shields #37 of the Green Bay Packers runs the ball back for touchdown after an interception against quarterback Colin Kaepernick #7 of the San Francisco 49ers in the first quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

San Francisco 49ers quarterback Colin Kaepernick throws a pass against the Green Bay Packers in the first quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers running back Frank Gore (21) carries the ball in the first quarter of an NFC divisional playoff NFL football game against the Green Bay packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick scores a touchdown against the Green Bay Packers in the first quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after running for touchdown with tight end Vernon Davis during the first quarter of an NFC divisional playoff NFL football game against the Green Bay Packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Quarterback Aaron Rodgers #12 of the Green Bay Packers throws the ball against the San Francisco 49ers in the first quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers quarterback Colin Kaepernick (7) runs for a 20-yard touchdown against the Green Bay Packers during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Green Bay Packers Sam Shields (L) runs past San Francisco 49ers Delanie Walker (R) as he takes an interception in for a touchdown in the first quarter during their NFL NFC Divisional playoff football game in San Francisco, California January 12, 2013. REUTERS/Robert Galbraith

Running back DuJuan Harris #26 of the Green Bay Packers celebrates after running the ball in for a touchdown against the San Francisco 49ers in the first quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Cornerback Sam Shields #37 of the Green Bay Packers celebrates after scoring a touchdown off of an interception against quarterback Colin Kaepernick #7 of the San Francisco 49ers in the first quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers running back Frank Gore (21) tackled by Green Bay Packers defensive end Mike Daniels (76), inside linebacker A.J. Hawk (50), and defensive end C.J. Wilson (98) during the first half of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers quarterback Colin Kaepernick runs for a touchdown against the Green Bay Packers in the first quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Robert Galbraith

Quarterback Colin Kaepernick #7 of the San Francisco 49ers throws the ball against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers Frank Gore (R) runs between Green Bay Packers Tramon Williams (L) and Mike Daniels (C) in the first quarter during their NFL NFC Divisional playoff football game in San Francisco, California January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers wide receiver Ted Ginn Jr. (19) is tackled by Green Bay Packers linebacker Terrell Manning, rear, and punter Tim Masthay (8) during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers Michael Crabtree (R) scores a touchdown past Green Bay Packers Charles Woodson (L) and Brad Jones (C) in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California January 12, 2013. REUTERS/Mike Blake

Quarterback Colin Kaepernick #7 of the San Francisco 49ers celebrates after running in a touchdown in the first quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Green Bay Packers quarterback Aaron Rodgers (12) passes against the San Francisco 49ers during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Green Bay Packers wide receiver James Jones (89) catches a pass as San Francisco 49ers cornerback Chris Culliver (29) attempts to intercept during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers running back DuJuan Harris (26) scores on an 18-yard touchdown run against the San Francisco 49ers during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers quarterback Aaron Rodgers (12) passes against the San Francisco 49ers during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Green Bay Packers wide receiver James Jones (89) catches a pass as San Francisco 49ers Chris Culliver (29) and Dashon Goldson attempt to intercept during the first half of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Randy Moss (84) catches a pass over Green Bay Packers cornerback Tramon Williams (38) during the first half of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Michael Crabtree (15) scores a touchdown as Green Bay Packers inside linebacker Brad Jones (59), and strong safety Charles Woodson (21) move in to stop him in the first half of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers catches a touchdown pass thrown by quarterback Colin Kaepernick #7 against the Green Bay Packers in the second quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Tight end Vernon Davis #85 celebrates with Wide receiver Michael Crabtree #15 of the San Francisco 49ers after scoring a touchdown in the second quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Green Bay Packers Randall Cobb (2nd R) is tackled by San Francisco 49ers Perrish Cox (2nd L) between 49ers Larry Grant (L) and Packers M.D. Jennings (R) in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

Green Bay Packers Randall Cobb (C) is tackled by San Francisco 49ers Perrish Cox (L) next to Packers M.D. Jennings (R) in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers Tarrell Brown (2nd R) celebrates with teammates Carlos Rogers (R), Patrick Willis (L) and Dashon Goldson (2nd L) after intercepting a pass against the Green Bay Packers in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers quarterback Colin Kaepernick (7) passes against the Green Bay Packers during the second quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers Tarrell Brown (L) runs past Green Bay Packers Jordy Nelson after intercepting a pass in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

Greenbay Packers fan Casey Lansdon, left, and San Francisco 49ers fan Ryan Dunn react to a Packers touchdown as they watch a broadcast of an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, at The Graduate in Chico, Calif. (AP Photo/The Chico Enterprise-Record, Jason Halley)

Green Bay Packers quarterback Aaron Rodgers (12) throws against the San Francisco 49ers during the second quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Wide receiver James Jones #89 of the Green Bay Packers catches a touchdown pass thrown by quarterback Aaron Rodgers #12 in the second quarter against the San Francisco 49ers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Running back DuJuan Harris #26 of the Green Bay Packers runs the ball inside linebacker Patrick Willis #52 of the San Francisco 49ers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Green Bay Packers Aaron Rodgers (C) recovers his own fumble as he is tackled by San Francisco 49ers Aldon Smith (R) next to teammate DuJuan Harris (L) in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

Wide receiver James Jones #89 of the Green Bay Packers celebrates after scoring a touchdown thrown by quarterback Aaron Rodgers #12 in the second quarter against the San Francisco 49ers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers runs the ball against nose tackle B.J. Raji #90 of the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers quarterback Colin Kaepernick (7) is tackled by Green Bay Packers free safety M.D. Jennings (43) and outside linebacker Erik Walden (93) during the second quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers kicker David Akers (R) kicks a field goal past Green Bay Packers C.J. Wilson in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

Green Bay Packers quarterback Aaron Rodgers drops to pass against the San Francisco 49ers during the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Jose Carlos Fajardo/San Jose Mercury News)

Green Bay Packers Jermichael Finley (L) makes a catch next to San Francisco 49ers Patrick Willis (R) in the second quarter during their NFL NFC Divisional playoff football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

Green Bay Packers Randall Cobb (L) makes a catch as he is tackled by San Francisco 49ers Dashon Goldson (R) and Tramaine Brock (C) during the third quarter in their NFL NFC Divisional play-off football game in San Francisco, California January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers cornerback Chris Culliver (29) tries to break up a 44-yard pass to Green Bay Packers' James Jones during the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Jose Carlos Fajardo/San Jose Mercury News)

San Francisco 49ers fans celebrate their team's touchdown during the first quarter against the Green Bay Packers in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Jose Carlos Fajardo/San Jose Mercury News)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers catches a touchdown pass thrown by quarterback Colin Kaepernick #7 against cornerback Sam Shields #37 of the Green Bay Packers in the second quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers celebrates with running back LaMichael James #23 after running the ball for a touchdown against the Green Bay Packers in the third quarter during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Running back Frank Gore #21 of the San Francisco 49ers celebrates after scoring a touchdown in the fourth quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers Frank Gore (C) is congratulated by teammates Vernon Davis (R) and Colin Kaepernick (L) after scoring a touchdown against the Green Bay Packers in the fourth quarter during their NFL NFC Divisional play-off football game in San Francisco, California January 12, 2013. REUTERS/Robert Galbraith

Green Bay Packers quarterback Aaron Rodgers (12) is pressured by San Francisco 49ers linebacker Patrick Willis (52) during the third quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick (7) runs for a 56-yard touchdown against the Green Bay Packers during the third quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers' James Jones catches a pass from quarterback Aaron Rodgers against San Francisco 49ers' Chris Culliver during the first quarter of an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Jose Luis Villegas)

San Francisco 49ers wide receiver Michael Crabtree (15) scores his second touchdown in the second quarter against the Green Bay Packers during an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Paul Kitagaki Jr.)

San Francisco 49ers running back Frank Gore (21) weaves through Green Bay Packers defenders with a 45-yard pass reception in the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Jose Carlos Fajardo/San Jose Mercury News)

The Green Bay Packers' Morgan Burnett (42) breaks up a pass intended for the San Francisco 49ers' Vernon Davis (85) in the second quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Nhat V. Meyer/San Jose Mercury News)

San Francisco 49ers running back Frank Gore (21) runs after a catch against the Green Bay Packers' Sam Shields (37) in the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Nhat V. Meyer/San Jose Mercury News)

San Francisco 49ers wide receiver Michael Crabtree (15) is pulled down after a catch against the Green Bay Packers' Tramon Williams (38) in the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Nhat V. Meyer/San Jose Mercury News)

The San Francisco 49ers' Randy Moss (84) runs after a catch against the Green Bay Packers in the first quarter in the NFC Divisional Playoff on Saturday, January 12, 2013, at Candlestick Park in San Francisco, California. (Nhat V. Meyer/San Jose Mercury News)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers hands the ball to running back Frank Gore #21 against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers hands the ball to running back Frank Gore #21 against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Tight end Vernon Davis #85 of the San Francisco 49ers celebrates after a catch in the third quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

San Francisco 49ers tight end Vernon Davis (85) celebrates with wide receiver Michael Crabtree (15) after his touchdown in the second quarter during an NFC divisional playoff NFL football game against the Green Bay Packers on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Paul Kitagaki Jr.)

Running back Frank Gore #21 of the San Francisco 49ers celebrates with his teammates after scoring a touchdown in the fourth quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Green Bay Packers head coach Mike McCarthy stands on the sideline during the fourth quarter of an NFC divisional playoff NFL football game against the San Francisco 49ers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Vernon Davis (85) catches a pass over Green Bay Packers inside linebacker A.J. Hawk (50) during the third quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers' Michael Crabtree drives past Green Bay Packers' Brad Jones for a touchdown in the second quarter of an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Jose Luis Villegas)

Green Bay Packers quarterback Aaron Rodgers (12) sits on the ground during the second half of an NFC divisional playoff NFL football game against the San Francisco 49ers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Ben Margot)

Green Bay Packers outside linebacker Clay Matthews, left, and inside linebacker Brad Jones sit on the bench during the fourth quarter of an NFC divisional playoff NFL football game against the San Francisco 49ers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers Justin Smith stops Green Bay Packers DuJuan Harris in the second quarter of an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Jose Luis Villegas)

San Francisco 49ers coach Jim Harbaugh walks the sidelines in the fourth quarter during their NFL NFC Divisional playoff football game against the Green Bay Packers in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

San Francisco 49ers' Michael Crabtree dives into the end zone for a touchdown under pressure from Green Bay Packers San Shields during the second quarter of during an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Jose Luis Villegas)

Green Bay Packers wide receiver Jeremy Ross (10) muffs a punt return that is recovered by San Francisco 49ers defensive back C.J. Spillman (27) in the first half of an NFC divisional playoff NFL football game on Saturday, Jan. 12, 2013, in San Francisco. (AP Photo/The Sacramento Bee, Hector Amezcua)

San Francisco 49ers Anthony Dixon (C) runs past Green Bay Packers Morgan Burnett (R) to score a touchdown in the fourth quarter during their NFL NFC Divisional play-off football game in San Francisco, California January 12, 2013. REUTERS/Robert Galbraith

San Francisco 49ers fans (L) arrive at the stadium with Green Bay Packers fans (R) for their NFL NFC Divisional play-off football game in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

A Green Bay Packers fan arrives at the stadium for their NFL NFC Divisional play-off football game against the San Francisco 49ers in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

San Francisco 49ers fan Corey Chan arrives at the stadium for their NFL NFC Divisional play-off football game against the Green Bay Packers in San Francisco, California, January 12, 2013. REUTERS/Mike Blake

A San Francisco 49ers fan wears a jersey with collector pins attached prior to the NFC Divisional Playoff Game at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Quarterback Alex Smith #11 of the San Francisco 49ers looks on during warm ups prior to the NFC Divisional Playoff Game against the Green Bay Packers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Head coach Jim Harbaugh of the San Francisco 49ers looks on prior to the NFC Divisional Playoff Game against the Green Bay Packers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)

Green Bay Packers head coach Mike McCarthy talks with quarterback Aaron Rodgers (12) before an NFC divisional playoff NFL football game against the San Francisco 49ers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

Outside linebacker Clay Matthews #52 of the Green Bay Packers sprays his face with water during warm ups prior to the NFC Divisional Playoff Game against the San Francisco 49ers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers looks on during warm ups prior to the NFC Divisional Playoff Game against the Green Bay Packers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers talks with linebacker Tavares Gooden #56 during warm ups prior to the NFC Divisional Playoff Game against the Green Bay Packers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Harry How/Getty Images)

Quarterback Aaron Rodgers #12 of the Green Bay Packers looks on during warm ups prior to the NFC Divisional Playoff Game against the San Francisco 49ers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Outside linebacker Clay Matthews #52 of the Green Bay Packers high-fives teammate tight end Ryan Taylor #82 during warm ups prior to the NFC Divisional Playoff Game against the San Francisco 49ers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Head coach Mike McCarthy of the Green Bay Packers looks on prior to the NFC Divisional Playoff Game against the San Francisco 49ers at Candlestick Park on January 12, 2013 in San Francisco, California. (Photo by Stephen Dunn/Getty Images)