Miami Dolphins players protest during national anthem in NFL preseason
Civil rights groups protest at NFL HQ for players' right to kneel
PHOTOS: NFL Players kneel in protest during the National Anthem
What to make of NFL anthem protests
All NFL Players 'Shall Stand And Show Respect' For Flag And Anthem
Donald Trump accuses NFL players of 'total disrespect' as protests
The Latest: At least 100 NFL players kneel or sit in protest
Monson: If NFL players want to protest, they should, just not
Texas officials criticize NFL players over national anthem
1 in 8 NFL players don't stand for anthem