TEMPE, Ariz. (AP) - Arizona safety Kerry Rhodes says teammate Patrick Peterson will never catch up with his confidence.

But, as Rhodes says, ``it works for him.''

In his second NFL season, Peterson proclaims himself already the best cornerback in the NFL. He says it's all about confidence, not cockiness, and his play seems to be backing up his talk.

Peterson has seven interceptions this season, one in each of the last four games. His pick of Matthew Stafford's pass and 29-yard return to the Detroit 3-yard line set up the go-ahead touchdown in a 38-10 victory last Sunday that ended the Cardinals' nine-game losing streak.

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