Seahawks safety Earl Thomas was carted off the field in the fourth quarter of Sunday's game against the Cardinals after getting injured on Arizona's game-tying score.
Thomas had a cast on his left leg and was taken to locker room to get X-rays on it.
Thomas held out this offseason in hopes of getting an extension on his contract. His is currently in the last year of a four-year deal and is set to become a free agent this offseason.
Thomas, 29, is a six-time Pro Bowler and three-time All-Pro.