Baltimore Ravens linebacker Ray Lewis, holding the Vince Lombardi trophy, speaks to fans at a celebration at City Hall at the start of a Super Bowl victory parade Tuesday, Feb. 5, 2013, in Baltimore. Super Bowl MVP and Ravens quarteback Joe Flacco, third from left, smiles. The Ravens defeated the San Francisco 49ers in NFL football's Super Bowl XLVII 34-31 on Sunday. (AP Photo/Gail Burton)
Baltimore Ravens linebacker Ray Lewis, holding the Vince Lombardi trophy, speaks to fans at a celebration at City Hall at the start of a Super Bowl victory parade Tuesday, Feb. 5, 2013, in Baltimore. Super Bowl MVP and Ravens quarteback Joe Flacco, third from left, smiles. The Ravens defeated the San Francisco 49ers in NFL football's Super Bowl XLVII 34-31 on Sunday. (AP Photo/Gail Burton)
Baltimore Ravens linebacker Ray Lewis (52) holds a newspaper and the Vince Lombardi Trophy as he celebrates after defeating the San Francisco 49ers 34-31 in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)
Baltimore Ravens linebacker Ray Lewis (52) celebrates after defeating the San Francisco 49ers 34-31 in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)
Baltimore Ravens linebacker Ray Lewis (52) celebrates after defeating the San Francisco 49ers 34-31 in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)
Baltimore Ravens linebacker Ray Lewis (52) talks to his teammates before the NFL Super Bowl XLVII football game against the San Francisco 49ers Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)
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)
San Francisco 49ers quarterback Colin Kaepernick (7) runs against Baltimore Ravens linebacker Ray Lewis (52) during the first half of NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elaine Thompson)
Baltimore Ravens linebacker Ray Lewis (52) holds up the Vince Lombardi Trophy after defeating the San Francisco 49ers 34-31 in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Julio Cortez)
