Redskins' Griffin gets medical OK to return from concussion
![Redskins' Griffin gets medical OK to return from concussion](http://bloximages.chicago2.vip.townnews.com/tdn.com/content/tncms/assets/v3/editorial/1/68/16888209-1610-5121-af7e-6c50501f8ea9/55eef83a9d397.image.jpg?resize=300%2C227)
ASHBURN, Va. (AP) — Washington quarterback Robert Griffin III has received medical clearance to return from a concussion he sustained just over three weeks ago and is probable for Sunday's sea…