Coach Kliff Kingsbury is not yet sure the status of defensive lineman Corey Peters as the Cardinals prepare for Seattle on Thursday night.
Peters injured his knee in the 32-30 win over Buffalo Sunday and had to be carted off.
"It didn't look good last night with Corey, and it hasn't sounded good on what I've gathered this morning," Kingsbury said Monday. "I don't any final on that yet, but that's kind of where it's at."
With Jordan Phillips (hamstring), Leki Fotu (ankle), Rashard Lawrence (calf) and Zach Allen (ankle) all working through injuries and even on the IR, the defensive line is thin.