Miami Dolphins quarterback Ryan Tannehill is sacked by Dallas Cowboys defensive linemen Jack Crawford, top, and Tyrone Crawford in the first half of an NFL preseason football game, Friday, Aug. 19, 2016, in Arlington.
Miami Dolphins quarterback Ryan Tannehill is sacked by Dallas Cowboys defensive linemen Jack Crawford, top, and Tyrone Crawford in the first half of an NFL preseason football game, Friday, Aug. 19, 2016, in Arlington. Michael Ainsworth AP
Miami Dolphins quarterback Ryan Tannehill is sacked by Dallas Cowboys defensive linemen Jack Crawford, top, and Tyrone Crawford in the first half of an NFL preseason football game, Friday, Aug. 19, 2016, in Arlington. Michael Ainsworth AP

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