Trump blasts NFL players for kneeling during anthem: 'Stand proudly . or be suspended without pay' - ABC News
NFL halts anthem policy after Dolphins criticized for considering suspensions of players who protest
NFL stars defy Donald Trump's call for boycott – DW – 09/24/2017
NFL star Colin Kaepernick refuses to stand for US national anthem due to ''oppression of black people'' - Mirror Online
American Football player Kaepernick refuses to stand for anthem - BBC News
This Quarterback Refused to Stand During the National Anthem to Stand up for People That Are Oppressed
Obama defends US football player refusing to stand for national anthem, US news
Opinion: NFL's anthem policy enslaves black players and fans
List of events at Soldier Field - Wikipedia
NFL player's refusal to stand for anthem ignites controversy – DW – 08/28/2016
Kaepernick's anthem protest sparks strong emotions – DW – 08/31/2016
Obama defends US football player refusing to stand for national anthem, US news
Colin Kaepernick refuses to stand for national anthem to protest police killings - The Washington Post