Rams rookie running back Zac Stacy is being checked for a concussion, the club said on Twitter on Sunday afternoon.
Stacy’s return to Sunday’s game against the Bears has been termed questionable by the Rams.
The Rams’ featured back, Stacy has rushed for 87 yards and a touchdown on just 12 carries on Sunday.
Benny Cunningham is the Rams’ top backup running back for today’s game.
In other Rams injury news, left guard Chris Williams (head) is out for the game, the team said.