San Francisco 49ers quarterback Colin Kaepernick warms up prior to an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Colin Kaepernick warms up prior to an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks quarterback Russell Wilson warms up prior to the start of an NFL football game against the San Francisco 49ers, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Steam rises from the head of Seattle Seahawks strong safety Kam Chancellor prior to the start of an NFL football game against the San Francisco 49ers, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick looks to pass in the first half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Colin Kaepernick calls to his team in the first half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Marshawn Lynch scores a touchdown against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Marshawn Lynch (24) celebrates his touchdown against the San Francisco 49ers with Paul McQuistan, center, and quarterback Russell Wilson (3) in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Marshawn Lynch scores his second touchdown of the game against the San Francisco 49ers in the first half of an NFL football game as San Francisco 49ers' Tarell Brown looks on at right, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Richard Sherman scoops up a blocked field goal attempt to run it for a touchdown as San Francisco 49ers kicker David Akers (2) looks on in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson, left, looks to pass as Seahawks' Marshawn Lynch, second from left, moves past him in the first half of an NFL football game against the San Francisco 49ers, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick (7) is brought down by Seattle Seahawks' Chris Clemons, right, in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick (7) is tackled by Seattle Seahawks' Bobby Wagner, right, and Leroy Hill, left, in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' Frank Gore (21) rushes against Seattle Seahawks' Malcolm Smith (53) in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Anthony McCoy reacts after scoring against the San Francisco 49ers late in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson throws against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson throws against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick stands on the sideline in the first half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers' Vernon Davis, left, is hit by Seattle Seahawks' Kam Chancellor, right, during a reception attempt in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers' Vernon Davis, left, is hit by Seattle Seahawks' Kam Chancellor, right during a reception attempt in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Marshawn Lynch (24) rushes against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' Bruce Miller (49) goes down from a hard hit by Seattle Seahawks' Kam Chancellor (31) in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers running back LaMichael James (23) is tackled by Seattle Seahawks defensive end Bruce Irvin (51) in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Kam Chancellor (31) hits San Francisco 49ers' Vernon Davis on a reception attempt in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks fans celebrate a play against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks Bruce Irvin (51) dives as he attempts to tackle San Francisco 49ers quarterback Colin Kaepernick (7) in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Doug Baldwin (89) comes down with a touchdown catch past the defense of San Francisco 49ers' Carlos Rogers (22) in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' head coach Pete Carroll, left, hugs Doug Baldwin after Baldwin scored a touchdown against the San Francisco 49ers in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' Mario Manningham (82) is taken off the field on a cart after suffering an injury in the second half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Doug Baldwin scores a touchdown as San Francisco 49ers' Patrick Willis (52) looks on in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Richard Sherman jumps over San Francisco 49ers' Michael Crabtree as Sherman celebrates his interception in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Jermaine Kearse, right, has a pass broken up by San Francisco 49ers' Tarell Brown (25) in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Richard Sherman comes down with an interception ahead of San Francisco 49ers' wide receiver Randy Moss in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. The Seahawks beat the 49ers 42-13. (AP Photo/John Froschauer)

Seattle Seahawks quarterback Russell Wilson (3) looks for running room as he goes between San Francisco 49ers' Dashon Goldson (38) and Ahmad Brooks (55) in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. The Seahawks beat the 49ers, 42-13. (AP Photo/John Froschauer)

San Francisco 49ers head coach Jim Harbaugh walks off the field after the team lost to the Seattle Seahawks in an NFL football game, Sunday, Dec. 23, 2012, in Seattle. The Seahawks won 42-13. (AP Photo/Elaine Thompson)

San Francisco 49ers head coach Jim Harbaugh stands in the rain in the second half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. The Seahawks beat the 49ers 42-13. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Colin Kaepernick walks to the sidelines in the final minutes of the the second half against the Seattle Seahawks of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. The Seahawks won 42-13. (AP Photo/John Froschauer)

Seattle Seahawks Richard Sherman runs off the field after the Seahawks beat the San Francisco 49ers 42-13 in an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers NaVorro Bowman sits on the bench in the final minutes of the 42-13 loss to the Seattle Seahawks in an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Richard Sherman motions to fans after intercepting in the end zone against the San Francisco 49ers in the second half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. The Seahawks won 42-13. (AP Photo/Elaine Thompson)

Seattle Seahawks' Doug Baldwin holds on after juggling the ball for a 43-yard pass reception against the San Francisco 49ers in the first half of an NFL football game, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/Elaine Thompson)

FILE - In this Dec. 23, 2012, file photo, San Francisco 49ers' Mario Manningham (82) is taken off the field on a cart after suffering an injury in the second half of an NFL football game against the Seattle Seahawks in Seattle. Manningham is out of the season with a left knee injury after getting tackled low by Leroy Hill and fumbling in the third quarter of San Francisco's 42-13 loss at Seattle. (AP Photo/John Froschauer, File)