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' Golden Tate celebrates a touchdown by Seahawks' Marshawn Lynch 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' 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)

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)

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)

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' head coach Jim Harbaugh looks to the scoreboard in the first half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 23, 2012, in Seattle. (AP Photo/John Froschauer)

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 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)

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 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)

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks receiver Doug Baldwin (89) makes a 43-yard reception in the first quarter as San Francisco 49ers cornerback Carlos Rogers (22) defends at CenturyLink Field. Kirby Lee/US Presswire

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks tight end Anthony McCoy (85) celebrates after scoring a touchdown against the San Francisco 49ers during the 2nd quarter at CenturyLink Field. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks running back Marshawn Lynch (24) carries the ball against the San Francisco 49ers and later scores on the same play during the 1st half at CenturyLink Field. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; San Francisco 49ers running back Frank Gore (21) carries the ball against the Seattle Seahawks during the 1st half at CenturyLink Field. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks wide receiver Doug Baldwin (89) catches the ball for a touchdown while San Francisco 49ers cornerback Carlos Rogers (22) tries to push Baldwin out of bounds during the 2nd half at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks quarterback Russell Wilson (3) and tackle Frank Omiyale (65) run onto the field before the game against the San Francisco 49ers at CenturyLink Field. Kirby Lee/US Presswire

Dec 23, 2012; Seattle, WA, USA; San Francisco 49ers strong safety Donte Whitner (31) reaches out to tackle Seattle Seahawks wide receiver Golden Tate (81) during the second half at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig-/US Presswire

Dec 23, 2012; Seattle, WA, USA; San Francisco 49ers quarterback Colin Kaepernick (7) passes the ball against the Seattle Seahawks during the 2nd half at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; San Francisco 49ers running back Frank Gore (21) carries the ball during the 2nd half against the Seattle Seahawks at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig/US Presswire

Dec 23, 2012, Seattle, WA, USA; Seattle Seahawks head coach Pete Carroll gives instructions to Seattle Seahawks quarterback Russell Wilson (3) during a timeout against the San Francisco 49ers during the third quarter at CenturyLink Field. Joe Nicholson/US Presswire

Dec 23, 2012; Seattle, WA, USA; Seattle Seahawks wide receiver Sidney Rice (18) reacts after the Seattle Seahawks scored a touchdown against the San Francisco 49ers during the 1st half at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig/US Presswire

Dec 23, 2012; Seattle, WA, USA; A Seattle Seahawks fan holds up a Seattle Seahawks quarterback Russell Wilson (3) (not pictured) sign during the 1st half of the game between the Seattle Seahawks and the San Francisco 49ers at CenturyLink Field. Seattle defeated San Francisco 42-13. Steven Bisig/US Presswire