Add another casualty to the Washington Redskins' lineup: Ladell Betts.
Betts, who was filling in for not-yet-concussion-free Clinton Portis, suffered a knee injury and is lost for the game against the Dallas Cowboys today.
Betts injured himself on a first-down carry on the Redskins' second possession and he'll be replaced by veteran Rock Cartwright, according to Redskins Insider Jason Reid.
'Skins cornerback DeAngelo Hall also hurt his knee, but not as seriously.
The team, meanwhile, is already down defensive tackle Albert Haynesworth, who's inactive for Sunday's game because of a sprained left ankle sustained last week.
It would have been the first time for Haynesworth and Cowboys center Andre Gurode to go against each other in a regular-season game since a dirty play in October 2006. That's when Gurode needed 30 stitches and was bothered by headaches and blurred vision after the 6-foot-6, 350-pound Haynesworth -- then with Tennessee -- kicked him and stomped on his helmetless face.
But Gurode didn't miss a game and Haynesworth was suspended for five games -- three games longer than anyone ever had been punished for on-field behavior in NFL history.
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Gurode and Haynesworth, who could play against each other Dec. 27 when the Cowboys play at Washington, insisted during the week the incident was in the past. They both were at the last two Pro Bowls.
Haynesworth missed his first game for Washington since signing a $100 million, seven-year free-agent deal last spring.
Offensive tackle Marc Colombo (broken left leg) and safety Ken Hamlin (high right ankle sprain) were inactive for Dallas. They were replaced in the lineup by first-time starters Doug Free at tackle and Alan Ball in the secondary.
