San Francisco 49ers head coach Jim Harbaugh (L) congratulates his brother, Baltimore Ravens head coach John Harbaugh, after the Ravens won in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013.

Baltimore Ravens quarterback Joe Flacco (5) and offensive lineman Marshal Yanda (73) celebrate their team's 34-31 win against the San Francisco 49ers in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans.

Baltimore Ravens wide receiver Jacoby Jones (12) runs the second-half opening kickoff back for a touchdown against the San Francisco 49ers in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans.

San Francisco 49ers running back Frank Gore (21) scores a third quarter touchdown against Baltimore Ravens cornerback Corey Graham (24) in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013.

Baltimore Ravens fans cheers for their team after they scored the first touchdown against Sand Francisco 49ers, as they watch the game at local pub in Baltimore Md. on Sunday Feb. 3, 2013.

The NFL logo for Super Bowl 47 is seen on the field, in New Orleans, February 3, 2013. (VOA / J. Stevenson)

San Francisco 49ers quarterback Colin Kaepernick (7) carries the ball past Baltimore Ravens linebacker Terrell Suggs (55) during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans.

Beyonce performs during the half-time show of the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013.

Baltimore Ravens wide receiver Jacoby Jones (12) dives for a touchdown past San Francisco 49ers cornerback Tarell Brown during the second quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013.

Players mill around the field after half of the lights went out during the third quarter of the NFL Super Bowl XLVII football game between the Baltimore Ravens and the San Francisco 49ers in New Orleans, Louisiana, February 3, 2013.

A man hold a sign looking for tickets ahead of Super Bowl 47 in New Orleans, February 3, 2013. (VOA / J. Stevenson)

Fans file into the Superdome ahead of Super Bowl 47 in New Orleans, February 3, 2013. (VOA / J. Stevenson)