San Francisco 49ers quarterbacks Alex Smith (11) and Colin Kaepernick (7) practice 

San Francisco 49ers quarterbacks Alex Smith (11) and Colin Kaepernick (7) practice at an NFL football training facility in Santa Clara, Calif., Friday, Jan. 25, 2013. The 49ers are scheduled to play the Baltimore Ravens in the Super Bowl on Sunday, Feb. 3. (AP Photo/Jeff Chiu)
Associated Press
San Francisco 49ers quarterbacks Alex Smith (11) and Colin Kaepernick (7) practice at an NFL football training facility in Santa Clara, Calif., Friday, Jan. 25, 2013. The 49ers are scheduled to play the Baltimore Ravens in the Super Bowl on Sunday, Feb. 3. (AP Photo/Jeff Chiu)
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