The Washington Times - August 7, 2012, 04:41PM

Coach Mike Shanahan, in his final press conference before Thursday’s preseason opener at Buffalo, announced some playing time decisions on Tuesday afternoon.

Running back Tim Hightower (left knee), fullback Darrel Young (left hamstring), receiver Anthony Armstrong (sprained right shoulder), left guard Kory Lichtensteiger (left knee) and right tackle Jammal Brown (hips) will not play.

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Right guard Chris Chester (sprained left ankle) is a “long shot,” Shanahan said. “I don’t want to rule him out because I don’t know for sure how he’s going to be tomorrow, but it doesn’t look good.”

Running back Evan Royster will start in place of Hightower, Shanahan said.

Kicker Graham Gano will play ahead of Neil Rackers. The details of the timeshare haven’t been finalized, but Shanahan expects Gano to attempt a field goal/extra point, then kick off, then sub out for Rackers to attempt the next field goal/extra point, and so on. The rotation would continue throughout the game.

Tight end Chris Cooley (left knee/groin/hamstring) sat out Tuesday’s practice to rest, but he is expected to play.

Receiver Josh Morgan (left hamstring/right ankle) is expected to play.