Redskins promote Chris Thompson

ASHBURN, Va. -- The Washington Redskins promoted running back Chris Thompson from their practice squad, filling the void created when they placed Morgan Moses on injured reserve earlier in the day.

Thompson, a fifth-round pick in 2013, has spent the entire season on the practice squad after dealing with various injuries this summer. The Redskins liked him entering training camp and hoped he could become a part of their passing attack on third downs. But Thompson was unable to stay healthy and he was cut, then placed on the practice squad.

But with running back Roy Helu having a sprained toe that could cause him to miss at least a week, the Redskins have a need for another running back. They have starter Alfred Morris and rookie backup Silas Redd. If he plays, Thompson provides a shifty back with speed for coach Jay Gruden. Thompson appeared in four games last season, but only as a kick and punt returner. He eventually went on injured reserve with a shoulder injury.

Moses was placed on injured reserve Thursday after suffering a Lisfranc injury in practice Wednesday. He will require surgery, which could sideline him up to six months -- but these injuries sometimes take longer.