NFL PHOTOS

  • Dallas Cowboys quarterback Tony Romo, center left, poses as Duke fans take selfies with him during the second half of Duke's NCAA college basketball game against Wake Forest on Wednesday, March 4, 2015, in Durham, N.C. (AP Photo/Ellen Ozier)

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  • Houston Texans wide receiver Andre Johnson acknowledges the crowd during the second half of an NBA basketball game between the Houston Rockets and the Memphis Grizzlies, Wednesday, March 4, 2015, in Houston. The Grizzlies won 102-100. (AP Photo/Pat Sullivan)

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  • Dallas Cowboys quarterback Tony Romo, left, high-fives a Duke fan during the second half of Duke's NCAA college basketball game against Wake Forest on Wednesday, March 4, 2015, in Durham, N.C. (AP Photo/Ellen Ozier)

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  • Dallas Cowboys quarterback Tony Romo poses for with Duke fans for selfies during the second half of Duke's NCAA college basketball game against Wake Forest on Wednesday, March 4, 2015, in Durham, N.C. (AP Photo/Ellen Ozier)

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  • Dallas Cowboys quarterback Tony Romo, center left with baseball cap, cheers with the Cameron Crazies during the second half of Duke's NCAA college basketball game against Wake Forest on Wednesday, March 4, 2015, in Durham, N.C. Duke won 94-51. (AP Photo/Ellen Ozier)

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  • FILE - In this Jan. 11, 2015, file photo, Denver Broncos quarterback Peyton Manning stretches prior to the team's NFL divisional playoff football game against the Indianapolis Colts in Denver. A person with knowledge of the situation tells The Associated Press that Manning will return for a fourth season in Denver and 18th in the NFL. Manning will reduce his salary from $19 million to $15 million in 2015, according to the person who spoke on condition of anonymity because there was no official announcement. However, he can make up all of the $4 million pay cut by reaching certain performance benchmarks. (AP Photo/Jack Dempsey, File)

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  • Former Denver Bronco Nate Jackson speaks during a cannabis industry expo in Denver, Wednesday, March 4, 2015. Jackson and some other former NFL players are calling on the league to allow medical marijuana as a means to help players deal with the physical pain inherent in their profession. (AP Photo/Brennan Linsley)

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  • Former Denver Bronco Nate Jackson speaks during a cannabis industry expo in Denver, Wednesday, March 4, 2015. Jackson and some other former NFL players are calling on the league to allow medical marijuana as a means to help players deal with the physical pain inherent in their profession. (AP Photo/Brennan Linsley)

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  • A car carrying Minnesota Vikings head coach Mike Zimmer and general manager Rick Spielman leaves the home of NFL running back Adrian Peterson, Wednesday, March 4, 2015. in The Woodlands, Texas. Zimmer and Spielman met with Peterson to discuss his future with the NFL football team. (AP Photo/Conroe Courier, Jason Fochtman)

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  • Minnesota Vikings head coach Mike Zimmer, left, and general manager Rick Spielman leave the home of NFL running back Adrian Peterson, Wednesday, March 4, 2015. in The Woodlands, Texas. Zimmer and Spielman met with Peterson to discuss his future with the NFL football team. (AP Photo/Conroe Courier, Jason Fochtman)

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