Williams practiced fully for the second consecutive day as he continues to nurse a sprained right MCL.
Left tackle Trent Williams did not practice on Wednesday as he nurses the sprained MCL in his right knee and a sprained right ankle.
Robert Griffin III, safety Ryan Clark and cornerback Tracy Porter all were limited by injury in Friday's practice.
Tight end Niles Paul passed the final stage of testing in accordance with the NFL's concussion protocol and practiced fully on Friday.
Wide receiver Pierre Garcon returned to practice after missing the last two sessions and Thursday’s preseason opener with a hamstring strain. Meanwhile, fellow receiver DeSean Jackson, who is nursing a sprained ankle, returned in a limited capacity.
Injured cornerback Courtney Bridget Jr. passed through waivers unclaimed and now will revert to Washington's injured reserve list.
Jason Hatcher will not be on the field when Redskins open training camp.
Redskins linebacker Brian Orakpo was limited in Tuesday's practice by the groin strain that forced him out of Sunday's loss to the Cowboys.
Redskins fullback Darrel Young is questionable for Sunday's game against the Dallas Cowboys.
Safety Reed Doughty and tight end Jordan Reed both said on Friday that they anticipate playing Sunday versus the Kansas City Chiefs after experiencing problem-free recoveries from concussions this past week.