San Francisco 49ers quarterback Colin Kaepernick (7) is tackled by Baltimore Ravens defensive end Haloti Ngata (92) and linebacker Ray Lewis (52) in the first quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

Photo by: Dave Martin

San Francisco 49ers quarterback Colin Kaepernick (7) is tackled by Baltimore Ravens defensive end Haloti Ngata (92) and linebacker Ray Lewis (52) in the first quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)