Washington Redskins quarterback Robert Griffin III (10) heads for the end zone past St. Louis Rams strong safety Craig Dahl, left, on a touchdown run during the third quarter. (AP Photo/Jeff Roberson)
Washington Redskins quarterback Robert Griffin III, right, is hit by St. Louis Rams linebacker James Laurinaitis after running for a gain during the second quarter. (AP Photo/Tom Gannam)
Washington Redskins quarterback Robert Griffin III, left, scores on a 5-yard run past St. Louis Rams strong safety Craig Dahl during the first quarter. (AP Photo/Seth Perlman)
Washington Redskins quarterback Robert Griffin III looks to pass during the first quarter of an NFL football game against the St. Louis Rams. (AP Photo/Tom Gannam)
Washington Redskins quarterback Robert Griffin III walks off the field after the Redskins' 31-28 loss to the St. Louis Rams in an NFL football game, Sunday, Sept. 16, 2012, in St. Louis. (AP Photo/Tom Gannam)
Washington Redskins quarterback Robert Griffin III warms up before the start of an NFL football game between the St. Louis Rams and the Washington Redskins Sunday, Sept. 16, 2012, in St. Louis. (AP Photo/Tom Gannam)
Washington Redskins quarterback Robert Griffin III (10) rushes past New Orleans Saints linebacker David Hawthorne (57) in the first half of an NFL football game against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans, Sunday, Sept. 9, 2012. (AP Photo/Bill Haber)
Washington Redskins quarterback Robert Griffin III (10) passes in the second half of an NFL football game against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans, Sunday, Sept. 9, 2012. (AP Photo/Matthew Hinton)