Browns TE Seth DeValve becomes 1st white NFL player to kneel in protest when he joined group of black teammates during anthem – New York Daily News
Taking the knee: These are the NFL players protesting today
Why I Support the NFL's Right to Ban Kneeling
Chart: Americans Divided on Athlete Protests
Kneeling for the National Anthem isn't disrespect. Sitting would be.
Fan Reaction to NFL National Anthem Protests About Racism – Rolling Stone
NFL Sunday Social Activism Sees Several Teams Scramble For Anthem – Deadline
Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
PHOTOS: NFL Players kneel in protest during the National Anthem
NFL Sunday: Here's how teams highlighted racial inequality in the US