How NFL teams are reacting to Trump's remarks about pro football – The Denver Post
N.F.L. Players Ramp Up Protests as Trump Doubles Down on Attacks
NFL Responds To Trump As President Renews Debate Over National Anthem : The Two-Way : NPR
NFL protests after Donald Trump comments unlike anything I've seen - Osi Umenyiora - BBC Sport
NFL Players Link Arms, Kneel After Trump Criticizes Protests
Donald Trump's NFL comments leading to more player protests
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N.F.L. Anthem Protests: Players Kneel, Stand and Hear Boos - The New York Times
They Realize the Bully Is Just Kind of an Empty Suit' - POLITICO
NFL Players Link Arms, Kneel After Trump Criticizes Protests