ASHBURN, Va. -- Right tackle Jammal Brown and tight end Mike Sellers have been ruled out by the Washington Redskins for .
The Redskins on Friday also placed safety LaRon Landry on injured reserve.
Brown hurt his right groin during pregame warmups before . Tyler Polumbus again will start in Brown's place.
Sellers hyperextended his right elbow against the Patriots.
Shanahan announced Thursday that Landry was out for the year with a sore left Achilles. The coach said Friday the team will wait until next week to replace Landry on the 53-man roster.
Shanahan declined to name a starter at left tackle. Willie Smith and Sean Locklear have both been getting first-team work during Trent Williams' suspension.
For a complete breakdown of all injuries around the league, visit NFL.com's .
Copyright 2011 by The Associated Press
