Baltimore Ravens quarterback Joe Flacco smiles at back up quarterback Tyrod Taylor 

Baltimore Ravens quarterback Joe Flacco smiles at back up quarterback Tyrod Taylor during practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).
Associated Press
Baltimore Ravens quarterback Joe Flacco smiles at back up quarterback Tyrod Taylor during practice Saturday, Jan. 26, 2013 in Owings Mills, Md. (AP Photo/Gail Burton).
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