Oklahoma State, with its coaching staff in flux, heads out to face Arizona on Saturday in Tucson, Ariz.

Cowboys head coach Mike Gundy was fired last week after the team lost two of its first three games, including a blowout defeat at then-No. 6 Oregon and a home loss to in-state rival Tulsa. Offensive coordinator Doug Meacham became the interim head coach.

On Sunday, following a 45-27 home defeat against Baylor, Oklahoma State ousted defensive coordinator Todd Grantham. Clint Bowen, an offensive quality-control assistant, was installed as the interim defensive coordinator.

Oklahoma State's defense ranks last in the Big 12 in average points (35) and yards (473) allowed per game.

The Cowboys (1-3, 0-1 Big 12) have yielded more than 600 yards twice this season -- 631 in a 69-3 loss to the

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