Philadelphia Eagles tight end Zach Ertz is doubtful for Sunday's showdown against the Los Angeles Rams due to a concussion he suffered last weekend, a source told ESPN's Adam Schefter.

If Ertz cannot go, it would mark a significant loss for an Eagles team that carries a 10-2 record into Los Angeles for a 4:25 p.m. ET clash with the 9-3 Rams.

Ertz exited last Sunday's 24-10 loss to the Seattle Seahawks with a head injury.

He remained on the ground and appeared dazed following a third-quarter hit over the middle by safety Bradley McDougald. Ertz walked off under his own power but was taken to the trainers tent to be tested for a concussion before heading to the locker room. He did not return to the game.

Although he was OK'd to practice Thursday, he has yet to clear the concussion protocol, according to the Eagles.

Ertz, who leads the resurgent Eagles in receptions (57) to go with seven touchdowns and 663 yards, is officially questionable on the injury report.

The Rams, meanwhile, aren't expected to have leading receiver Robert Woods for a third straight week, a source told Schefter. Woods has been questionable on the injury report with a shoulder injury. The source said he is expected back next Sunday against the Seattle Seahawks.