TEMPE, Ariz. (AP) The Arizona Cardinals have placed safety Tyrann Mathieu on injured reserve and re-signed safety Chris Clemons.
The moves come a day after coach Bruce Arians said Mathieu is out for the season with a torn ACL.
Clemons played in the Cardinals' first five games, making two tackles on special teams and one on defense.
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Clemons was placed on injured reserve with an ankle injury on Oct. 14 and was released with an injury settlement on Oct. 19. He has appeared in 78 games.
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