The Redskins are falling apart at the seams.

In addition to RB Clinton Portis suffering a concussion and QB Jason Campbell leaving the game twice with a chest contusion in the loss to the Falcons, the Redskins will be without two other starters.

SS Chris Horton, who regained his starting spot, now will miss 4-6 weeks with an injury to his left big toe. Horton will see a specialist. If surgery is deemed necessary, his season would be over and he would require a 4-6-month rehab period.

The team also lost ORT Mike Williams, who had entered the starting lineup because of injuries, with a ligament tear in his ankle. He is expected to miss two weeks. In his place, Stephon Heyer will move from left tackle back to right tackle, and Levi Jones will start on the left side.