Ryan Kelly's availability for Alabama's duel with Auburn is questionable because of a knee strain.
Kevin C. Cox/Getty Images

TUSCALOOSA, Ala. (AP) -- Alabama center Ryan Kelly has sprained a knee and his status against No. 4 Auburn could be a game time decision.

Top-ranked Crimson Tide coach Nick Saban says Kelly was limited in practice on Wednesday and likely will be again Thursday. He was hurt in Tuesday's practice.

Kelly missed three games earlier this season with a knee injury. Saban says this is ''the same kind of injury he had before, but not nearly as serious.''

Chad Lindsay started against Georgia State, Kentucky and Arkansas. Saban says he did ''a really good job'' filling in for Kelly.

Alabama has allowed just two sacks in the past 29 quarters.

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