Redskins linebacker London Fletcher practiced in full Friday and is listed as questionable for Sunday’s game at Pittsburgh — a more optimistic outlook than the previous day.

Fletcher underwent tests by a neurologist on Thursday, but they’re still not sure what is causing his balance issues. Fletcher said he’s had problems with his balance for several weeks, though he would not say if it was related to him missing a couple practices in August. Doctors have ruled out a concussion.

“I was encouraged by today,” Fletcher said. “It felt good to get out there and run around. There are still 48 hours before game day.”

Fletcher also has a sore hamstring, which he hurt at New York on Sunday. But the fact that he took part in all of practice is a good sign.

“The hamstring is not 100 percent but it’s getting better,” he said. “The body has a great way of healing. Hopefully over the next couple days I’ll continue to improve. As far as everything with my balance, I’ve been dealing with it for a couple weeks. I finally decided to tell them about it.”

Redskins coach Mike Shanahan said, “Watching him in practice, he looked pretty good.”

Meanwhile, receiver Pierre Garcon (foot/toe) and safety Brandon Meriweather (knee) have been ruled out for Sunday.