I don't like seeing this, but it sounds like it's not serious and that Terry Glenn will be able to go.
The exact injury is not known.
Also, defensive end Jason Hatcher (ankle) is doubtful for the game.
On Washington's official injury report, Moss was downgraded Friday from questionable to doubtful.
"I'm not thinking of him as a guy making his second start," Washington defensive tackle Cornelius Griffin said. "I'm thinking of him as a starter in this league that's playing good football right now."
"I am sure they are going to throw some new wrinkles at us," Romo said. "Gregg Williams is definitely a great coordinator. I expect to get surprised a time here or there, but it is all about execution. As long as you have prepared and have yourself ready, usually you can be successful."