Aug. 30, 2016: Former NFL player and ex-Green Beret Nate Boyer suggests to Kaepernick to kneel rather than sit during the anthem.

Sept. 7, 2016: NFL Commissioner Roger Goodell says he “doesn’t necessarily agree with what (Kaepernick) is doing,” but supports players who seek changes in society.

Sept. 10, 2017: Without Kaepernick in the league, players still kneel during the anthem.

Sept. 9, 2018: A second straight season begins with Kaepernick not on a roster, but with some players still kneeling during the anthem.

Sept. 8, 2019: The third consecutive full opening day of an NFL season without Kaepernick.