Roger Goodell: We didn't ask players to commit to standing for anthem
NFL owners speak out in support of players, against Donald Trump
Donald Trump's NFL comments leading to more player protests
Some NFL players kneel during U.S. anthem again despite Trump call for protest to end
Trump Says N.F.L. Players Should Be Fired for Anthem Protests - The New York Times
NFL's Week 4 sees dozens of players kneel, sit, raise fists during national anthem
Trump puts NFL players on notice: Stand for national anthem - Los Angeles Times
In response to President Trump, Chargers and rest of NFL make statement of unity – San Bernardino Sun
Owners speak out in support of NFL players – Greeley Tribune
Trump Tangles With Mainly African-American Athletes
More NFL players kneel after Trump's comments