Colin Kaepernick caused controversy after becoming the first NFL player to kneel during the US national anthem. He did so to highlight racial inequalities in the States.
Now sports company Nike have picked him up for their latest ad campaign. "Believe in something, even if it means sacrificing everything", the ad says.
Many people were angered by Nike aligning with the sports star and have started burning their Nike gear in retaliation.
Check out the full ad below...