Moss may sit Sunday: As insurance, Skins sign McCardell for depth at receiver.

Byline: Paul Woody

Oct. 2--ASHBURN -- The Washington Redskins returned from their week's vacation, rested and somewhat relaxed.

They would have been more relaxed had they not seen the Detroit Lions score 34 points in the fourth quarter against the Chicago Bears to claim a 37-27 victory Sunday.

As if that's not enough to worry about, the Redskins are not sure if they will have their No.1 receiver available for the Lions.

Santana Moss, with 12 receptions for 199 yards (16.6 per catch) still is nursing a strained groin, an injury he suffered late in the game against the New York Giants on Sept. 23.

The Redskins had a bye last week, …