Minnesota Vikings

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Minnesota Vikings running back Adrian Peterson warms up before the start of an NFL football game between the St. Louis Rams and the Minnesota Vikings Sunday, Sept. 7, 2014, in St. Louis. (AP Photo/Tom Gannam)

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FILE - In this Sept. 7, 2014, file photo, Minnesota Vikings running back Adrian Peterson warms up for an NFL football game against the St. Louis Rams in St. Louis. The Vikings benched Peterson for Sunday's game after his attorney said he had been indicted by a Texas grand jury on a charge of child abuse. (AP Photo/Tom Gannam, File)

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FILE - In this July 15, 2014, file photo, former Minnesota Vikings punter Chris Kluwe, right, speaks during a press conference in Minneapolis. Kluwe says he's reached a settlement with the team to avert a threatened lawsuit over his release. Kluwe had accused the Vikings of cutting him over his activism on gay rights issues. He said Tuesday, Aug. 19, 2014, that the Vikings have agreed to donate to several nonprofits to help raise awareness in professional sports about LGBT issues. (AP Photo/The Star Tribune, Elizabeth Flores, File )

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Minnesota Vikings head coach Mike Zimmer watches at an NFL organized team activity at the Vikings football practice facility in Eden Prairie, Minn., Thursday, May 29, 2014.(AP Photo/Andy Clayton-King)

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Minnesota Vikings linebacker Mike Zimmer participates in a scrimmage during an NFL organized team activity at the Vikings football practice facility in Eden Prairie, Minn., Thursday, May 29, 2014. Zimmer may get more respect in the Vikings locker room than any undrafted second-year player has ever had. That's because he has the same name as the team's new head coach, but he's not related. (AP Photo/Andy Clayton-King)

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Minnesota Vikings linebacker Mike Zimmer looks on during an NFL organized team activity at the Vikings football practice facility in Eden Prairie, Minn., Thursday, May 29, 2014. Zimmer may get more respect in the Vikings locker room than any undrafted second-year player has ever had. That's because he has the same name as the team's new head coach, but he's not related..(AP Photo/Andy Clayton-King)