Nfl

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San Francisco 49ers quarterback Brian Hoyer (2) shakes hands with wide receiver Marquis Goodwin during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer signals during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer (2) throws during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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Minnesota Vikings wide receiver Laquon Treadwell makes a fingertip catch during NFL football training camp Friday, July 28, 2017, in Mankato, Minn. (AP Photo/Andy Clayton-King)

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Minnesota Vikings wide receiver Laquon Treadwell makes a catch during NFL football training camp Thursday, July 27, 2017, in Mankato, Minn. (AP Photo/Andy Clayton-King)

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Minnesota Vikings wide receiver Laquon Treadwell (11) does push ups after he missed a catch during a scrimmage during NFL football training camp Friday, July 28, 2017, in Mankato, Minn. (AP Photo/Andy Clayton-King)

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Tennessee Titans outside linebacker Brian Orakpo addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans running back DeMarco Murray addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans wide receiver Eric Decker addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans cornerback Logan Ryan addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans running back DeMarco Murray addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans wide receiver Eric Decker addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Tennessee Titans outside linebacker Brian Orakpo addresses the media at St. Thomas Sports Park before the start of NFL football training camp Friday, July 28, 2017, in Nashville, Tenn. (George Walker IV/The Tennessean via AP)

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Minnesota Vikings quarterback Sam Bradford (8) is congratulated by teammates Laquon Treadwell (11), Alex Boone (75) and Mike Remmers (72) after throwing a touchdown during NFL football training camp Thursday, July 27, 2017, in Mankato, Minn. (AP Photo/Andy Clayton-King)