Kaepernick made the promise after a Sep. 1, 2016 preseason game. That's when he first went down to one knee during the national anthem to protest police brutality.
TIMELINE: How the national anthem protests have evolved
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Since then, he has donated $900,000 to organizations fighting for social justice.
Wednesday on social media, Kaepernick announced that he will donate the last $100,000 of the pledge over the next 10 days.
Silicon Valley De-Bug got $10,000 today. The San Jose group advocates for jail reform and will use some of the money to help families of jail inmates.
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Kevin Durant of the Golden State Warriors helped Kaepernick pick the organization and will match the pledge with his own $10,000 donation.
Kaerpernick posted a list of the organization he has helped on his website.
RELATED: NFL to commit $89M over seven years to social justice causes
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