Baltimore Ravens wide receiver Anquan Boldin (81) catches a 13-yard touchdown pass during the first half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

San Francisco 49ers quarterback Colin Kaepernick carries the ball during the first half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

San Francisco 49ers kicker David Akers (2) makes a 36-yard field goal during the first half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

San Francisco 49ers tight end Vernon Davis (85) is tackled by Baltimore Ravens safety Ed Reed (20) during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Baltimore Ravens defensive end Arthur Jones (97) runs with the ball after recovering a fumble by San Francisco 49ers running back LaMichael James (23) as wide receiver Michael Crabtree (15) looks on during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

San Francisco 49ers head coach Jim Harbaugh reacts to a play during the first half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

Baltimore Ravens linebacker Paul Kruger (99) sacks San Francisco 49ers quarterback Colin Kaepernick (7) during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elise Amendola)

Baltimore Ravens wide receiver Jacoby Jones (12) catches the ball on the turf during a 56-yard touchdown reception in front of San Francisco 49ers defensive back Chris Culliver (29) in the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

Baltimore Ravens wide receiver Jacoby Jones celebrates after scoring on a 109-yard kickoff return during the second half of the NFL Super Bowl XLVII football game against the San Francisco 49ers Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Mark Humphrey)

Baltimore Ravens wide receiver Jacoby Jones (12) celebrates after scoring on a 109-yard kickoff return during the second half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)

San Francisco 49ers cornerback Tarell Brown (25) recovers a fumble by Baltimore Ravens running back Ray Rice (27) as tight end Dennis Pitta (88) closes in during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

San Francisco 49ers wide receiver Michael Crabtree (15) reacts after scoring a 31-yard touchdown during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

San Francisco 49ers quarterback Colin Kaepernick (7) scrambles during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)

San Francisco 49ers wide receiver Michael Crabtree (15) cannot make the reception as Baltimore Ravens cornerback Corey Graham (24) defends during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

Baltimore Ravens quarterback Joe Flacco (5) attempts a pass as San Francisco 49ers linebacker NaVorro Bowman (53) defends during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

San Francisco 49ers running back Frank Gore (21) celebrates after scoring on a 6-yard touchdown run during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Mark Humphrey)

San Francisco 49ers quarterback Colin Kaepernick (7) crosses the goal line for a touchdown as wide receiver Michael Crabtree (15) reacts in the fourth quarter of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

San Francisco 49ers quarterback Colin Kaepernick celebrates his touchdown against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

Baltimore Ravens wide receiver Anquan Boldin (81) stiff-arms San Francisco 49ers cornerback Chris Culliver (29) during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar)

Baltimore Ravens head coach John Harbaugh and cornerback Jimmy Smith (22) react on the sidelines during the second half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)

San Francisco 49ers tight end Vernon Davis (85) misses a throw during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Mark Humphrey)

San Francisco 49ers wide receiver Michael Crabtree (15) misses a potential touchdown pass during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David Goldman)

San Francisco 49ers wide receiver Michael Crabtree (15) cannot reach a pass thrown on fourth-and-goal as Baltimore Ravens safety Ed Reed (20) defends late in the fourth quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

San Francisco 49ers head coach Jim Harbaugh protests a non-call by the officials after a fourth down play during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar)

Baltimore Ravens defensive end Arthur Jones (97) celebrates after the San Francisco 49ers failed to convert on a potential touchdown pass on fourth-and-goal during the fourth quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Marcio Sanchez)