English football is consumed by racism and hatred. Can the cycle be broken?, Soccer
N.F.L. Season Kicks Off With Players' Protesting Racism - The New York Times
Athletes and activism: The long, defiant history of sports protests
U.S. national anthem kneeling protests - Wikipedia
The NFL Will Play 'Lift Every Voice And Sing' Before Each Season-Opener Game : Updates: The Fight Against Racial Injustice : NPR
Brotherhood and Anti-Blackness in College Football – SAPIENS
When NFL players protest racism, some critics see only 'millionaire athletes' who should be silent - The Washington Post
La Liga: Vinicius Junior and other racism cases in Spanish football
Rebranding the NFL: How the League Shifted Its Message on Racial Justice - Knowledge at Wharton
Black athletes and the fight for racial justice
Black Lives Matter: NFL decision to sing 'Lift Every Voice and Sing' at matches criticised by leading academic, NFL News
Affirmative Action Never Had a Chance
History of Political Protests at the Olympics Before IOC Ban