Knight (coach's decision) is inactive for Sunday's game against the Saints, Darren Urban of the Cardinals' official site reports.
Knight will not suit up Week 1, as the Cardinals will roll with a three-man backfield of James Conner, Trey Benson and Emari Demercado. Knight has not played in a regular-season game since 2023 with the Lions, and his next opportunity to see the field is Week 2 against the Panthers on Sunday, Sept. 14.