Cooley continues to be slowed by knee soreness, Shanahan said.
The veteran tight end, entering his eighth season with the Redskins, sat out Wednesday’s training camp practice at Redskins Park.
“There is concern,” Shanahan said. “The knee is sore, but hopefully it keeps on getting better.”
Cooley, a two-time Pro Bowler, has participated in camp off and on. He missed several days last week but returned to take part in individual drills Monday and Tuesday of this week.
The Redskins made a roster move at the tight end position on Wednesday morning, signing Derek Schouman, a fifth-year pro out of Boise State, and releasing undrafted rookie