Colin Kaepernick kneels for national anthem amid USA chants - CBS News
NFL bans on-field kneeling during the national anthem
NFL Sees Six Teams Remain In Locker Room For National Anthem – Deadline
Scholars deconstruct questions at the heart of protests involving national anthem – Harvard Gazette
More NFL players take a knee during national anthem
Take a knee': A complete guide to the NFL anthem controversy, starting with Kaepernick's first protest
5 NFL Teams Stay Inside During Anthem — Others Kneel, Raise Fists
5 NFL Teams Stay Inside During Anthem — Others Kneel, Raise Fists
NFL Sunday: Here's how teams highlighted racial inequality in the US
NFL: Several players kneel for anthem, some teams stay in locker room