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GLENDALE, Ariz. — So much for Carson Palmer’s sore right elbow.
The Arizona quarterback completed 27 of 32 passes, 12 of them to Larry Fitzgerald, and the Cardinals ended an eight-game losing streak against NFC West foes by beating the St. Louis Rams, 30-10, on Sunday.
Palmer, questionable for the game after being limited in practice during the week, threw for 269 yards and a touchdown as the Cardinals (8-5) won for the fifth time in six games.
Arizona’s Karlos Dansby returned an interception 23 yards for a touchdown and John Abraham tackled Rams quarterback Kellen Clemens for a safety.
The Cardinals lost rookie safety Tyrann Mathieu in the third with what coach Bruce Arians said ‘‘appears to be an ACL’’ injury to his left knee.
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