President's criticisms incite more protests at NFL games – Daily Local
Take the Knee: Athletes Unite in Historic Protest Against Racism
Jaguars: Dozen players kneel for anthem at London game - Sports
Ravens, Jaguars players kneel during national anthem
Texans Link Arms In Solidarity As Over 200 NFL Players Don't Stand
What Colin Kaepernick Started - The New York Times
U.S. national anthem kneeling protests - Wikipedia
National anthem protests No. 1 reason viewers tuned out NFL games
NFL reporter now says he never asked Kaepernick if he'd stand for