ARLINGTON, Texas -- Keith Butler didn't want to say much, at least initially, about his prospects as a candidate to become the Arizona Cardinals' defensive coordinator.
"I'm Sergeant Schultz -- I know nothing," the Pittsburgh Steelers' linebackers coach joked during Super Bowl Media Day Monday.
At this point, I turned to ESPN.com colleague John Clayton, who covered Butler's playing career in Seattle, and jokingly asked for what the Cardinals have so far failed to secure from the Steelers: permission to speak with Butler about a coaching job in Arizona.
We laughed, and it wasn't for the last time.
Cardinals coach Ken Whisenhunt, Butler's golfing buddy and former coaching associate in Cleveland and Pittsburgh, requested permission to
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