Carson Palmer completed 27 of 32 passes, 12 of them to Larry Fitzgerald, and the Arizona 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 with a sore right elbow, 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 Kellen Clemens for a safety.
Tavon Austin's 56-yard run set up the only touchdown for the Rams (5-8), a 1-yard run by Zac Stacy.
Austin injured his left ankle on the play and didn't return.
The Cardinals lost rookie safety Tyrann Mathieu in the third quarter with a left knee injury.