The Cowboys opened a three-day rookie minicamp Friday with their third play-caller in three seasons in Linehan. The same goes for defensive coordinator, with Rod Marinelli replacing the demoted Monte Kiffin.
Marinelli and Kiffin were on the Dallas staff together a year ago. Linehan was calling the plays for Matthew Stafford and Calvin Johnson before a four-game losing streak to finish the season kept the Lions out of the playoffs and cost coach Jim Schwartz his job,
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