Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
Colin Kaepernick among TIME's Most Influential after kneeling protests
Colin Kaepernick timeline: Looking back at year of national anthem controversy
Colin Kaepernick, the national anthem and America: How military service influenced my views on patriotism and protest
Green Beret Who Suggested Colin Kaepernick Kneel Surprised by Backlash
Colin Kaepernick explains why he won't stand during National Anthem
Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
Must Reads: The ex-Green Beret who inspired Colin Kaepernick to kneel instead of sit during the anthem would like to clear a few things up - Los Angeles Times
Take a knee': A complete guide to the NFL anthem controversy, starting with Kaepernick's first protest
Nate Boyer: Let's finish strong, America