Seattle Seahawks quarterback Russell Wilson, left, greets San Francisco 49ers quarterback Colin Kaepernick, right, on the field prior to an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks running back Marshawn Lynch, left, talks with San Francisco 49ers quarterback Colin Kaepernick, right, on the field prior to an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks quarterback Russell Wilson, right, passes during team warmups as San Francisco 49ers quarterback Colin Kaepernick, looks on in the background at left, before an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks wide receiver Sidney Rice holds his helmet as he stands on the field during warmups before an NFL football game against the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers head coach Jim Harbaugh, right, passes during warmups before an NFL football game against the Seattle Seahawks, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks fans hold a sign that reads "U Mad Harbaugh?" in reference to San Francisco 49ers head coach Jim Harbaugh and Seattle Seahawks' Richard Sherman's famous "You mad bro?" quote before the start of NFL football game between the Seattle Seahawks and the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks owner Paul Allen, left, talks with head coach Pete Carroll, right, on the field prior to an NFL football game between the Seattle Seahawks and the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson passes during warmups prior to an NFL football game against the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick passes during warm ups before a NFL football game against the Seattle Seahawks, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson runs out of the tunnel as fire effects go off to take the field for the Seahawks' home opener NFL football game against the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Colin Kaepernick passes in the first half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick scrambles with the ball as Seattle Seahawks defensive end Michael Bennett, right, dives to attempt a tackle in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers running back Frank Gore (21) rushes with the ball in the first half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks quarterback Russell Wilson, left, drops to pass against the San Francisco 49ers in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' Frank Gore (21) is tackled by strong safety Kam Chancellor, second from right, in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks Russell Wilson, right, looks to pass as he is pursued by San Francisco 49ers outside linebacker Ahmad Brooks (55) in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks football players walk off the field after a weather delay of their NFL football game against the San Francisco 49ers was called due to lightning in the area, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Weather radar is shown on a giant video screen at CenturyLink Field during a weather delay in an NFL football game between the Seattle Seahawks and the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers fans wait out a severe weather delay in the first half of an NFL football game between the Seattle Seahawks and the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks fans yell during the first half of an NFL football game between the Seattle Seahawks and the San Francisco 49ers at CenturyLink Field, Sunday, Sept. 15, 2013, in Seattle. Fans were attempting to set a Guinness World Record for crowd noise at an athletic event during the game. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick (7) looks to pass under pressure from Seattle Seahawks' Red Bryant, left, in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks' Marshawn Lynch (24) grabs the face mask of San Francisco 49ers outside linebacker Aldon Smith, upper right, as Smith and 49ers' Glenn Dorsey, center, sack Seahawks quarterback Russell Wilson in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks fans yell during a San Francisco 49ers possession in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. Fans were attempting to set a Guinness World Record for fan noise at an athletic event during the game. (AP Photo/Elaine Thompson)

San Francisco 49ers' defensive end Glenn Dorsey celebrates a tackle during the first half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' running back Marshawn Lynch (24) leaps as he carries the ball against San Francisco 49ers' Eric Reid (35) and Ray McDonald (91) in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks' Richard Sherman celebrates after the Seahawks score a safety in the first half of an NFL football game against the San Francisco 49ers, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks running back Marshawn Lynch (24) runs the ball as San Francisco 49ers cornerback Tarell Brown, left, closes in during the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick (7) hands off to San Francisco 49ers running back Frank Gore (21) during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks quarterback Russell Wilson (3) straight-arms San Francisco 49ers cornerback Nnamdi Asomugha (28) during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) throws during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks defensive end Cliff Avril (56) looks at the ball after hitting it from San Francisco 49ers quarterback Colin Kaepernick (7) during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) is sacked by Seattle Seahawks defensive end Michael Bennett (72) during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks running back Marshawn Lynch (24) runs with the ball during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks' Cliff Avril, left, forces a fumble by San Francisco 49ers quarterback Colin Kaepernick in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. The Seahawks recovered the ball on the play. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Colin Kaepernick (7) watches his fumbled ball bounce away as Seattle Seahawks' Cliff Avril eyes it as well in the first half of an NFL football game, Sunday, Sept. 15, 2013, in Seattle. The Seahawks recovered the ball on the play. (AP Photo/Elaine Thompson)

Seattle Seahawks tight end Zach Miller (86) is tackled by San Francisco 49ers strong safety Donte Whitner (31) during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks Golden Tate (81) signals a first down during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks running back Marshawn Lynch (24) stops just before scoring a touchdown during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks head coach Pete Carroll celebrate his win over the 49ers during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)

Seattle Seahawks quarterback Russell Wilson (3) celebrates his win during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, Sep. 15, 2013 at CenturyLink Field in Seattle, Washington. (Ric Tapia/NFL)