Robert Griffin III practiced for the third straight day on his sprained right knee Friday, albeit again on a limited basis, and is officially listed as questionable for Sunday's game against the Cleveland Browns.
''He keeps on improving every day,'' coach Mike Shanahan said. ''He's much better today.''
Shanahan again he said he will wait until Sunday to reveal whether Griffin or fellow rookie Kirk Cousins will start. He said the quarterbacks might be informed of the decision Saturday night.
Griffin, the league's top-rated passer, looked fine during Friday's session as he stretched with his teammates and made a few throws during the 15 minutes reporters were allowed to watch. It would have been difficult to tell he was injured if it weren't already known.
Griffin sprained his lateral collateral ligament when he was hit by defensive tackle Haloti Ngata late in regulation in last week's 31-28 overtime victory over the Baltimor...