Article Photos: Alex Smith handles role with unselfishness, class 4/6

San Francisco 49ers head coach Jim Harbaugh, left, watches practice with quarterback Alex Smith (11) 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)