Report: Redskins fear Robert Griffin III suffered dislocated ankle vs. Jaguars

The Washington Redskins reportedly believe quarterback Robert Griffin III suffered a serious ankle injury in Sunday's game against the Jacksonville Jaguars.

A source tells NFL Network's Ian Rapoport that the team fears Griffin dislocated his ankle in the first quarter. He was carted off and ruled out for the rest of the game.

Griffin will undergo tests on the ankle to confirm the severity of the injury.