Joe Flacco

Ravens Dolphins Football.JPEG-0f6d7.jpg

Miami Dolphins defensive end Olivier Vernon (50) grabs Baltimore Ravens quarterback Joe Flacco (5) for a sack during the first half of an NFL football game on Sunday, Oct. 6, 2013, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Ravens Bills Football.JPEG-0121d.jpg

Baltimore Ravens quarterback Joe Flacco (5) is sacked by Buffalo Bills defensive tackle Marcell Dareus (99) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Browns Ravens Footbal_Lanc.jpg

Baltimore Ravens quarterback Joe Flacco celebrates running back Bernard Pierce's touchdown during the second half of an NFL football game against the Cleveland Browns in Baltimore, Md., Sunday, Sept. 15, 2013. (AP Photo/Patrick Semansky)

9_5_2013_ap8704310348078201.jpg

Ravens quarterback Joe Flacco proved his worth in leading Baltimore to a Super Bowl title in February, and now he becomes more of a recognized leader with the retirement of linebacker Ray Lewis. (associated press)

Ravens Training Camp _Lanc.jpg

Baltimore Ravens quarterback Joe Flacco (5) throws a pass as backup quarterback Tyrod Taylor watches during an NFL football training camp practice at the team's practice facility in Owings Mills, Md., Thursday, July 25, 2013. (AP Photo/Patrick Semansky)