Washington Redskins quarterback Robert Griffin III tested his mildly sprained right knee during Wednesday's practice.
Afterward, Griffin said the injury has gotten better each day.
"I feel really good," Griffin said. "I feel really blessed" that the injury wasn't more severe.
Coach Mike Shanahan said the quarterback was limited in practice, and there was no decision on whether he would play Sunday against the Cleveland Browns.
"I was impressed with how he worked and what he did," Shanahan said.
Griffin's knee will be treated and monitored throughout the week.
Asked if he would play, Griffin said, "I can't tell y'all that," acknowledging it would give the Browns a "competitive advantage."
Griffin — wearing a helmet, cleats and a jersey like the rest of his teammates — practiced dropping back, planting and throwing short passes, which appeared to have their normal velocity. He even threw one pass from behind his back. The quarterback said that planting and throwing were not a problem.
He ran in a straight line at a moderate pace and also shuffled his feet laterally in separate portions of the team's stretching session. He moved smoothly at times and gingerly at others.
Griffin wore long pants, so whether he wore a knee brace was not evident.
"I'm the happiest guy in the world right now," Griffin said.
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