Dontari Poe first Cowboy to kneel as teams take different anthem approaches - ESPN
America's Only Deaf Football Team Decides What to Do During the National Anthem
NFL owners approve new national anthem policy - ESPN
NFL League Rulebook A62 63 National Anthem Rule
In the NFL, patriotism is for sale
New anthem policy will cause some backlash
NFL national anthem policy: Owners approve new policy – all players on field must stand, bans kneeling; Players may opt to stay in locker room - CBS News
Opinion: The NFL's new national anthem policy enslaves black players and fans