Running back Frank Gore #21 of the San Francisco 49ers celebrates during a game against the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

A vendor sells game programs before the NFL game between the Seattle Seahawks and the San Francisco 49ers at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

San Francisco 49ers fans cheer outside before the NFL game between the Seattle Seahawks and the San Francisco 49ers at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

San Francisco 49ers running back Frank Gore (21) is tackled by Seattle Seahawks middle linebacker Bobby Wagner (54), outside linebacker K.J. Wright (50) and free safety Earl Thomas (29) during the first quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) jumps over Seattle Seahawks cornerback Richard Sherman (25) during the first quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Ben Margot)

San Francisco 49ers linebacker Patrick Willis (52) and safety Dashon Goldson (38) break up a pass intended for Seattle Seahawks wide receiver Braylon Edwards (17) during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks running back Marshawn Lynch (24) rushes past San Francisco 49ers safety Dashon Goldson (38) during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks quarterback Russell Wilson (3) passes against the San Francisco 49ers during the first quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks wide receiver Doug Baldwin (89) catches a pass in front of San Francisco 49ers cornerback Chris Culliver (29) during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Tony Avelar)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers extends his arm to stay balanced while carrying the ball against cornerback Richard Sherman #25 of the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Wide receiver Sidney Rice #18 of the Seattle Seahawks is tackled by cornerback Tarell Brown #25 of the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

San Francisco 49ers quarterback Alex Smith (11) passes against the Seattle Seahawks during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Fans at Candlestick Park watch during the first half an NFL football game between the San Francisco 49ers and the Seattle Seahawks in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Tony Avelar)

San Francisco 49ers quarterback Alex Smith (11) passes against the Seattle Seahawks during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) passes against the Seattle Seahawks during the first quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Tony Avelar)

Seattle Seahawks running back Marshawn Lynch (24) runs against San Francisco 49ers running back Anthony Dixon (24) during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks running back Robert Turbin (22) against the San Francisco 49ers during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

Running back Marshawn Lynch #24 of the Seattle Seahawks carries the ball against safety Dashon Goldson #38 of the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Running back Kendall Hunter #32 of the San Francisco 49ers carries the ball during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Wide receiver Michael Crabtree #15 of the San Francisco 49ers extends his arm to stay balanced while carrying the ball against cornerback Richard Sherman #25 of the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Seattle Seahawks wide receiver Braylon Edwards (17) is defended by San Francisco 49ers free safety Dashon Goldson (38) and inside linebacker Patrick Willis (52) during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Wide receiver Sidney Rice #18 of the Seattle Seahawks is tackled by cornerback Tarell Brown #25 of the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Quarterback Russell Wilson #3 of the Seattle Seahawks runs with the ball against the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Quarterback Alex Smith #11 of the San Francisco 49ers drops back to pass against the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Head coach Jim Harbaugh of the San Francisco 49ers and head coach Pete Carroll of the Seattle Seahawks exchange greetings following an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Running back Marshawn Lynch #24 of the Seattle Seahawks carries the ball against the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Running back Frank Gore #21 of the San Francisco 49ers carries the ball against the Seattle Seahawks during an NFL gameat the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Wide receiver Kyle Williams #10 of the San Francisco 49ers runs after the catch against the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

A general view of the field during an NFL game between the Seattle Seahawks and the San Francisco 49ers at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Head coach Jim Harbaugh and running back Brandon Jacobs #45 of the San Francisco 49ers leave the field following their team's victory over the Seattle Seahawks at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Head coach Jim Harbaugh of the San Francisco 49ers leaves the field following his team's victory over the Seattle Seahawks at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

Quarterback Alex Smith #11 of the San Francisco 49ers throws against outside linebacker Leroy Hill #56 of the Seattle Seahawks during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)

San Francisco 49ers running back Anthony Dixon celebrates after their 13-6 win over the Seattle Seahawks in an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker NaVorro Bowman (53) and defensive tackle Ray McDonald (91) celebrate during the second half of an NFL football game against the Seattle Seahawks in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Ben Margot)

Seattle Seahawks cornerback Brandon Browner (39) runs past San Francisco 49ers offensive tackle Anthony Davis (76) after intercepting a pass by quarterback Alex Smith during the second half of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Tony Avelar)

San Francisco 49ers running back Frank Gore (21) rushes past Seattle Seahawks defensive tackle Clinton McDonald during the second half of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) rushes past Seattle Seahawks defensive end Chris Clemons (91) during the third quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Ben Margot)

Wide receiver Doug Baldwin #89 of the Seattle Seahawks runs with the ball against cornerback Chris Culliver #29 of the San Francisco 49ers during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)