NFL kneeling protests: The NFL's “take a knee” ban is flatly illegal - Vox
NFL Owners to Discuss Policy on Standing for Anthem - WSJ
The First Amendment and restricting professional athlete protests
NFL owners adopt new policy on national anthem protests
NFL owners reach 'compromise' about national anthem protests. It's bad
How The NFL's New Rule On Protesting Is Being Perceived By Players : NPR
Colin Kaepernick: Timeline of a gesture and its echoes
Trump Supports N.F.L.'s New National Anthem Policy - The New York Times
NFL owners adopt new policy to address anthem protests
National anthem protests aren't politicizing the NFL — it was already political - The Washington Post
NFL National Anthem Protests – No Resolution In Sight, Time Grows Short – Deadline
The NFL Takes on Trump—But Is It What Colin Kaepernick Wanted?
Poll: 84% support for NFL players' right to protest