FILE - This Aug. 18, 2012 file photo shows Washington Redskins rookie quarterback Robert Griffin III warming up before an NFL preseason football game against the Chicago Bears in Chicag

 

              FILE - This Aug. 18, 2012 file photo shows Washington Redskins rookie quarterback Robert Griffin III warming up before an NFL preseason football game against the Chicago Bears in Chicag
FILE - This Aug. 18, 2012 file photo shows Washington Redskins rookie quarterback Robert Griffin III warming up before an NFL preseason football game against the Chicago Bears in Chicago. Youth and inexperience have taken over the most important position in the NFL. Ten starting quarterbacks will have one year or less of experience this season, with five teams letting rookies run the show. (AP Photo/Charles Rex Arbogast, File)