Raiders players sit during national anthem after President's comments
NFL anthem protests: How kneeling started, what players are doing now
Civil rights groups protest at NFL HQ for players' right to kneel
NFL row intensifies as players kneel and raise fists, Racism
Several N.F.L. Players Protest Racism and Hate as Season Begins - The New York Times
Drew Brees faces backlash for saying kneeling during national anthem is disrespectful
NFL owners approve new national anthem policy with hope of ending protests
U.S. national anthem kneeling protests - Wikipedia
NFL anthem: Colts, Browns kneel, lock arms after Trump's comments
49ers talk NFL policy on kneeling, state of the team in Santa Clara - ABC7 San Francisco
NFL Will Likely Allow Players To Protest During National Anthem
49ers confirm Colin Kaepernick didn't stand for National Anthem
National Anthem Protests Sidelined by Ambiguity - The New York Times
File:San Francisco 49ers National Anthem Kneeling (37721041581).jpg - Wikipedia
Vice President Pence leaves game after several 49ers kneel for National Anthem – KNBR