San Francisco 49ers quarterback Alex Smith (11) passes against the Buffalo Bills during the first quarter of an NFL football game, Sunday, Oct. 7, 2012, in San Francisco. (AP Photo/Tony Avelar)

Associated Press
San Francisco 49ers quarterback Alex Smith (11) passes against the Buffalo Bills during the first quarter of an NFL football game, Sunday, Oct. 7, 2012, in San Francisco. (AP Photo/Tony Avelar)
San Francisco 49ers quarterback Alex Smith (11) passes against the Buffalo Bills during the first quarter of an NFL football game, Sunday, Oct. 7, 2012, in San Francisco. (AP Photo/Tony Avelar)
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