San Francisco 49ers quarterback Alex Smith (11) warms up before an NFL preseason football game against the San Diego Chargers in San Francisco, Thursday, Aug. 30, 2012. (AP Photo/Marcio Jose Sanchez)
Alex Smith
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San Francisco 49ers quarterback Alex Smith (11) warms up before an NFL preseason football game against the San Diego Chargers in San Francisco, Thursday, Aug. 30, 2012. (AP Photo/Marcio Jose Sanchez)
