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Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate the team's victory as fans from the Ravens and San Francisco 49ers NFL football teams pack the French Quarter on Bourbon Street for Super Bowl XLVII in New Orleans, Sunday, Feb. 3, 2013. (AP Photo/Matthew Hinton)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Baltimore Ravens fans celebrate outside the Superdome following Baltimore's victory over the San Francisco 49ers in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Stacy Revere

Baltimore Ravens fans celebrate the team's victory as fans from the Ravens and San Francisco 49ers NFL football teams pack the French Quarter on Bourbon Street for Super Bowl XLVII near the Royal Sonesta Hotel in New Orleans, Sunday, Feb. 3, 2013. (AP Photo/Matthew Hinton)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

Lee Fuller, of Baltimore, center, and others celebrate the Baltimore Ravens winning the Super Bowl at the Famous Door Bar as fans of the Ravens and San Francisco 49ers NFL football teams pack the French Quarter on Bourbon Street for Super Bowl XLVII in New Orleans, Sunday, Feb. 3, 2013. (AP Photo/Matthew Hinton)

Baltimore Ravens fans celebrate in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)

In the light of a Baltimore City police helicopter light, employees of Mother's Federal Hill Grille celebrate as Baltimore Ravens cheer in the streets after Super Bowl XLVII against the San Francisco 49ers in the neighborhood of Federal Hill on February 3, 2013 in Baltimore, Maryland. The Baltimore Ravens won the Super Bowl, 34-31, to capture their second championship title. (Photo by Patrick Smith/Getty Images)