Nike jerseys commemorating four years since Kaepernick took a knee sold out in under a minute
Colin Kaepernick's social justice protest featured in new exhibit at 49ers Museum
4 Ways Colin Kaepernick Stands Up for Social Justice - Blue Tent
Kaepernick calls out NFL for social justice 'propaganda' while Eric Reid is still a free agent
Colin Kaepernick calls for abolishing police and prisons in new essay
Behind the Shield, The Cultural Politics of NFL Football
NFL fans express their anger at the 'politicization' of the league as teams kneel for anthem
Colin Kaepernick bashes NFL for empty 'propaganda' on social justice - TheGrio
NFL Teams Show Varying Forms Of Support For Social Justice