Eagles left tackle Jason Peters left with a groin injury near the end of the first half. The team listed his return as questionable.
Halapoulivaati Vaitai replaced Peters.
The Eagles held a 16-14 halftime lead on Washington after getting a 50-yard field goal from Caleb Sturgis. But the Eagles have lost Ronald Darby to a gruesome right ankle injury and now Peters to a groin injury.
Philadelphia entered with nobody on its injury report.
UPDATE 2:59 P.M. ET: Peters returned in the second half but then left again.