San Francisco 49ers quarterback Alex Smith has a cut on his nose at the end of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. San Francisco won 27-19. (AP Photo/Tony Avelar)

Associated Press
San Francisco 49ers quarterback Alex Smith has a cut on his nose at the end of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. San Francisco won 27-19.  (AP Photo/Tony Avelar)
San Francisco 49ers quarterback Alex Smith has a cut on his nose at the end of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. San Francisco won 27-19. (AP Photo/Tony Avelar)
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