Timeline of NFL protests during the national anthem – KIRO 7 News Seattle
NFL anthem protests: How kneeling started, what players are doing now
National Anthem Protests Sidelined by Ambiguity - The New York Times
NFL, players' union reps meet over national anthem policy
Why Eagles took a different approach to national anthem to start season
Letter: Put anthem on the air and have players stand – Reading Eagle
NFL player protests: Marshawn Lynch sits during national anthem
NFL teams face fines over national anthem protests under new policy - The Boston Globe
Two Eagles proving that NFL players can fight for causes and not be 'distractions'
NFL players mark Sept. 11 with mix of patriotism, protest - The Washington Post
Trump is still tweeting about the NFL national anthem protests - Vox