FILE - In this Jan. 12, 2013, file photo, Baltimore Ravens quarterback Joe Flacco (5) throws a pass against the Denver Broncos during the fourth quarter of
FILE - In this Jan. 12, 2013, file photo, Baltimore Ravens quarterback Joe Flacco (5) throws a pass against the Denver Broncos during the fourth quarter of an AFC divisional playoff NFL football game in Denver. The Baltimore Ravens and San Francisco 49ers meet in Super Bowl XLVII on Sunday, Feb. 3, in New Orleans. (AP Photo/Charlie Riedel, File)