Robert Griffin III's sprained right knee will keep him out of the starting lineup Sunday when the Washington Redskins visit the Cleveland Browns in a game with vital playoff implications.
The Redskins announced Saturday night that fellow rookie Kirk Cousins will make his first career start as Redskins (7-6) try to run their winning streak to five games and keep the pressure on the first-place New York Giants in the NFC East.
Griffin tweeted: ''The decision was not my own... But I will be there for my team!!! In every way I possibly can''.
The Redskins did not say whether Griffin will be active for the game, or whether veteran Rex Grossman, who has been an inactive third-string quarterback for every game this season, will serve as the primary backup to Cousins.
Griffin, who is tied with New England's Tom Brady for the NFL lead in passer rating and whose popularity has soared in a few short months as a 22-year-old newcomer to the league, was injured when he was hit by defensive ta...