Balanced 49ers offense aims to lead Super Bowl win

San Francisco 49ers head coach Jim Harbaugh, center, watches as quarterback Colin Kaepernick, left, and tight end Vernon Davis (85) run a play during practice on Wednesday, Jan. 30, 2013, in New Orleans. The 49ers are scheduled to play the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)