Fans tailgate at Candlestick Park prior to a game between the Seattle Seahawks and San Francisco 49ers on Thursday, October 18, 2012 in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks helmets are seen in the locker room prior to a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers quarterback Alex Smith arrives at the stadium prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers quarterback Alex Smith sits on the bench prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

NFL Network analysts Steve Mariucci, Marshall Faulk, Michael Irvin and Deion Sanders look on prior to a game between the Seattle Seahawks and San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers defensive tackle Ricky Jean Francois looks on from the bench prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks head coach Pete Carroll throws the ball prior to a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers head coach Jim Harbaugh looks on prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers quarterback Alex Smith (11) warms up with head coach Jim Harbaugh prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers quarterback Alex Smith (11) warms up head coach Jim Harbaugh prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks strong safety Kam Chancellor (31) warms up prior to a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks tight end Evan Moore (82) huddles with teammates prior to a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers running back Anthony Dixon (24) during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers head coach Jim Harbaugh looks on prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

A member of the Seahawks greets San Francisco 49ers wide receiver Ted Ginn Jr. (19) prior to a game on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks running back Leon Washington (33) and fullback Michael Robinson (26) warm up prior to a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers linebacker Patrick Willis (52) leads teammates in a huddle as tight end Vernon Davis (85) looks on prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers wide receiver Kyle Williams (10) looks on prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers quarterback Alex Smith (11) runs on the field prior to a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

A San Francisco 49ers cheerleader performs during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks defensive end Red Bryant (79) looks on during a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Fans cheer during a game between the Seattle Seahawks and San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

A general view as the Seattle Seahawks play the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks defensive end Greg Scruggs (98) looks on from the bench during a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers running back Frank Gore (21) looks on during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers wide receiver Randy Moss (84) looks on during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers running back Frank Gore (21) speaks with quarterback Alex Smith (11) and tight end Vernon Davis (85) on the sideline during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers center Jonathan Goodwin (59) and guard Mike Iupati (77) of the San Francisco 49ers look on from the bench during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers defensive tackle Ray McDonald (91) speaks with defensive line coach Jim Tomsula during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

An official signals a call during a game between the Seattle Seahawks and San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks head coach Pete Carroll speaks with outside linebacker Leroy Hill (56) on the sideline during a game against the San Francisco 49ers on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers fans cheer during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

Seattle Seahawks fullback Michael Robinson (26) blocks San Francisco 49ers safety Donte Whitner (31) during a game on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers tight end Brian Jennings (86) and wide receiver Ted Ginn Jr. (19) rally the crowd during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers Jim Harbaugh looks on during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers head coach Jim Harbaugh speaks with quarterback Alex Smith (11) during a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. (Aaron James Kehoe/NFL)

San Francisco 49ers head coach Jim Harbaugh smiles as he walks off the field after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

San Francisco 49ers running back Anthony Dixon (24) waves a flag after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

San Francisco 49ers linebacker NaVorro Bowman (53) changes out of his uniform after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

San Francisco 49ers head coach Jim Harbaugh addresses the media after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

San Francisco 49ers wide receiver Randy Moss is seen in the locker room after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

San Francisco 49ers tackle Alex Boone is seen in the locker room after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6. (Aaron James Kehoe/NFL)

A San Francisco 49ers equipment bag is seen in the locker room after a game against the Seattle Seahawks on Thursday, October 18, 2012 at Candlestick Park in San Francisco, CA. The 49ers defeated the Seahawks 13-6.(Aaron James Kehoe/NFL)