Kaepernick wrote on Twitter, “Today marks the three year anniversary of the first time I protested systemic oppression. I continue to work and stand with the people in our fight for liberation, despite those who are trying to erase the movement! The movement has always lived with the people!”
A video accompanying the tweet shows videos of African Americans being killed by police, including 12-year-old Tamir Rice. It also features Kaepernick talking about the purpose of his protest.
He has not played in the National Football League since the 2016 season, when he sparked controversy by sitting, then kneeling, before several 2016 NFL preseason and regular-season games
In the video, the words: “Denied work for 889 days” flashed across the screen.
“5 a.m., five days a week, for three years. Still ready,” said Kaepernick, who played for the 49ers for six years.
Kaepernick became a free agent in 2017. No team offered him a contract, and that October, he filed a grievance against the league, accusing team owners of colluding to keep him from being signed.