Redskins running back Clinton Portis will miss four-to-six weeks because of a groin injury.
Washington coach Mike Shanahan said Wednesday that Portis has a third degree separation of the left groin.
He will not require surgery.
"That's disappointing," Shanahan said, "that working so hard, playing so well, that he's got that setback."
Portis To Miss 4-6 Weeks