Baltimore Ravens quarterback Joe Flacco (5) 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/Patrick Semansky)
Baltimore Ravens quarterback Joe Flacco speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, March 4, 2013. Flacco agreed to a contract that will make him the richest quarterback in NFL history after leading the Ravens to a Super Bowl XLVII victory over the San Francisco 49ers. (AP Photo/Patrick Semansky)
Baltimore Ravens quarterback Joe Flacco speaks at a news conference at the team's practice facility in Owings Mills, Md., Monday, March 4, 2013. Flacco agreed to a contract that will make him the richest quarterback in NFL history after leading the Ravens to a Super Bowl XLVII victory over the San Francisco 49ers. (AP Photo/Patrick Semansky)
Baltimore Ravens quarterback Joe Flacco holds up the Vince Lombardi Trophy after their 34-31 win against the San Francisco 49ers in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Marcio Sanchez)
Baltimore Ravens quarterback Joe Flacco holds up the Vince Lombardi Trophy after their 34-31 win against the San Francisco 49ers in the NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Marcio Sanchez)
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)
NFL Commissioner Roger Goodell poses for a photo with MVP Baltimore Ravens quarterback Joe Flacco at a news conference after the NFL Super Bowl XLVII football game Monday, Feb. 4, 2013, in New Orleans. The Ravens defeated the San Francisco 49ers 34-31. (AP Photo/Darron Cummings)
Baltimore Ravens quarterback Joe Flacco looks at the inside of 2014 Corvette Stingray following a news conference after NFL Super Bowl XLVII football game Monday, Feb. 4, 2013, in New Orleans. The Ravens defeated the San Francisco 49ers 34-31.(AP Photo/Darron Cummings)
