Clemson will likely turn to Christopher Vizzina as its starting quarterback against SMU, according to CBS Sports' Matt Zenitz and Richard Johnson , as Cade Klubnik continues to nurse an ankle injury. Klubnik hurt his ankle in last week's 41-10 win at Boston College and was limited in practice ahead of the matchup with the Mustangs.

Coach Dabo Swinney labeled Klubnik on Thursday as "hour-to-hour" and said he made consistent progress in his recovery throughout the week. He listed his quarterback as "questionable" on the ACC's availability reports on Thursday and Friday. The soreness -- which Swinney said had been an issue even before the Boston College game -- is expected to keep him on the sideline.

"Just been limited," Swinney said of Klubnik's status . "We're taking our tim

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