Nfl

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Tennessee Titans head coach Ken Whisenhunt watches his players stretch during NFL football rookie camp Friday, May 16, 2014, in Nashville, Tenn. (AP Photo/Mark Humphrey)

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Tennessee Titans linebacker Jamal Merrell, center, stretches during NFL football rookie minicamp Friday, May 16, 2014, in Nashville, Tenn. (AP Photo/Mark Humphrey)

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Tennessee Titans rookie running back Bishop Sankey runs a drill during NFL football rookie camp on Friday, May 16, 2014, in Nashville, Tenn. The opportunity and pressure are there for Sankey to become a starter replacing Chris Johnson, even though NFL rules mean he'll miss a chunk of the team's offseason program. (AP Photo/Mark Humphrey)