The NFL has officially whitewashed Colin Kaepernick's protest - Vox
The History of NFL Player Protests During the National Anthem - WSJ
Many Americans Side With President Trump On NFL Anthem Protests : NPR
NFL anthem protest: How fist salute became a symbol - BBC News
Some Broncos fans angrily abandon team over NFL protests – Canon City Daily Record
How the national anthem — and subverting it — became a pregame tradition in America - The Washington Post
This Football Player Fought for Civil Rights in the '60s — Bunk
Can A School Ban Its Students From Kneeling During The National Anthem?
U.S. national anthem kneeling protests - Wikipedia
The NFL and a History of Black Protest - AAIHS
Trump Calls for Boycott if N.F.L. Doesn't Crack Down on Anthem Protests - The New York Times
Colin Kaepernick booed after refusing to stand for US national anthem again - The Sun
Trump proposed an NFL boycott because irony means nothing in 2017
A Divided League and a Divided Country - Cedars