Cards defensive tackle Williams active vs. Panthers
Williams had been listed as questionable with a foot injury.
Carolina's inactive players include safety Thomas DeCoud, cornerback James Dockery, linebacker A.J. Klein, defensive tackle Kyle Love, defensive end Frank Alexander and offensive linemen Amini Silatolu and David Foucault.
Carolina running back DeAngelo Williams is active as expected after missing the past four games with a broken hand.
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