The Panthers will be without at least three defensive starters against Washington, and outside linebacker Jadeveon Clowney is doubtful.

Four additional players were added to the report Thursday to get the total to 22, including left tackle Ikem Ekwonu.

The Panthers had seven players missing from practice Wednesday because of injuries, and a couple of guys getting rest days.

Outside linebacker Jadeveon Clowney is listed as doubtful, and veteran right tackle Taylor Moton was ruled out, ending his streak of 104 consecutive starts.

The veteran outside linebacker missed his second straight day of practice on Thursday, along with several other key contributors.

The veteran outside linebacker was among the group of players who didn't practice Wednesday as they began preparations for the Falcons.

Linebackers Josey Jewell and Shaq Thompson, and rookie center Andrew Raym were ruled out on Friday.

There were three new additions to the injury report, along with veteran tackle Taylor Moton's regular rest day.

Three players were just getting rest days, but three others didn't participate because of injury, including wide receiver Diontae Johnson.

The Panthers ruled left guard Damien Lewis, nose tackle Shy Tuttle, and special teamer Lonnie Johnson out for Sunday's game against the Bengals.

The starting wideout was held out of Thursday's practice because of a groin issue, plus updates on the rest of the roster.