August 17, 2018
Kansas City Chiefs wide receiver Marcus Kemp (19) makes a catch against Atlanta Falcons defensive back Chris Lammons (30) during the second half of an NFL preseason football game, Friday, Aug. 17, 2018, in Atlanta. (John Amis/AP)
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CLEVELAND — Buffalo quarterback AJ McCarron sustained a potentially serious shoulder injury, throwing the Bills' quarterback situation into total disarray, during a 19-17 win over the Cleveland Browns on Friday night.