GLENDALE, Ariz. -- The Cardinals gave Cam Newton a rough reception in his return to Arizona.
Newton, back at the site of his BCS championship performance and his NFL debut, was sacked seven times, once for a safety, and threw three interceptions. Arizona used a dominating defensive performance to beat the Carolina Panthers 22-6 on Sunday.
Daryl Washington, back after serving a four-game suspension for violating the NFL's substance abuse policy, had two sacks and an interception for Arizona (3-2).
Calais Campbell had two sacks, one for Arizona's first regular-season safety in nine years, the other forcing a game-clinching fumble. Karlos Dansby also had two sacks and an interception.
Carolina (1-3), playing for the first time since a 38-0 victory over the New York Giants two weeks ago, managed only Graham Gano's field goals from 22 and 51 yards.
Arizona's Carson Palmer threw for a touchdown but was intercepted three times.
Jay Feely, who had a 42-yard field goal for Arizona's only poi...