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Posted by ESPN.com's Mike Sando
The Cardinals already have four sacks in the first quarter-plus of their exhibition game against the Chargers. They gave up a big play -- something Arizona badly needs to limit this season -- but four players have sacks in this game.
Bryan Robinson, Calais Campbell, Darnell Dockett and Karlos Dansby have brought down Chargers quarterback Philip Rivers. How to improve the pass rush is one of the questions facing Arizona's defense this season.
Campbell in particular has played well for the Cardinals this summer, an important development after starter Antonio Smith left in free agency.