Linebacker Anthony Barr (55) takes part in a drill during Minnesota Vikings minicamp in Eden Prairie, Minn., Friday, May 16, 2014. New Vikings coach Mike Zimmer set to work getting young players like Barr, quarterback Teddy Bridgewater, and defensive backs Antone Exum and Kendall James up to speed on what will be expected of them in the NFL. (AP Photo/Ann Heisenfelt)
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