About two dozen players kneel for national anthem in London + poll
League invites NFLPA to join anthem discussion
Fan Reaction to NFL National Anthem Protests About Racism
U.S. national anthem kneeling protests - Wikipedia
Professional Athletes Kneeling During National Anthem
Who knelt and who stood on every NFL sideline - Washington Post
52% white Americans oppose kneeling during national anthem
NFL protests: 2 years of NFL protests, explained - Vox