Alameda

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Oakland Raiders kicker Sebastian Janikowski watches during NFL football practice on Tuesday, June 13, 2017, at the team's training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders quarterback Derek Carr passes during NFL football practice on Wednesday, June 14, 2017, at its NFL football training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders defensive coordinator Ken Norton, second from right, works with players during NFL football practice on Tuesday, June 13, 2017, at the team's training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders head coach Jack Del Rio, left, watches players stretch during NFL football practice on Tuesday, June 13, 2017, at the team's training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders quarterback Derek Carr laughs during a break in NFL football practice on Tuesday, June 13, 2017, at the team's training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders quarterback Derek Carr, right, speaks with wide receiver Michael Crabtree (15) during NFL football practice on Tuesday, June 13, 2017, at the team's training facility in Alameda, Calif. (AP Photo/Ben Margot)

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Oakland Raiders running back Marshawn Lynch fields questions after the team's organized team activity at its NFL football training facility Tuesday, June 6, 2017, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Raiders running back Marshawn Lynch runs after a catch during the team's organized team activity at its NFL football training facility Tuesday, June 6, 2017, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Raiders running back Marshawn Lynch fields questions after the team's organized team activity at its NFL football training facility Tuesday, June 6, 2017, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Raiders quarterback Derek Carr throws during the team's organized team activity at its NFL football training facility Tuesday, May 30, 2017, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Raiders quarterback Derek Carr (4) stretches by wide receiver Michael Crabtree, (15) during an NFL football team activity Tuesday, May 23, 2017, in Alameda, Calif. (AP Photo/Eric Risberg)

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Oakland Raiders quarterback Derek Carr (4) gestures as wide receiver Amari Cooper, right looks on during an NFL football team activity Tuesday, May 23, 2017, in Alameda, Calif. (AP Photo/Eric Risberg)

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Oakland Raiders wide receiver Jaydon Mickens catches a pass during an NFL football team activity Tuesday, May 23, 2017, in Alameda, Calif. (AP Photo/Eric Risberg)