National anthem protests continue at NFL games
Protests sweep NFL as Trump doubles down on criticism
Michael Bennett continues anthem protest as white team-mate shows support, NFL
Are Professional Sports Players Protected By The First Amendment When They Engage In Political Protest On The Field? - First Amendment Watch
The Indignity of the N.F.L.'s New National-Anthem Policy
Report: NFL players weigh sitting out season until Colin Kaepernick is signed
Seahawks Postponing Kaepernick Workout Raises More NFL Questions
Football is here — and the NFL still doesn't know what to do about protests
NFLer: I'll protest anthem until we're equal
NFL players hint at a group protest inspired by Kaepernick for Sept. 11
Seahawks National Anthem Protest: Why They Stayed In Locker Room - Sports Illustrated