See an exclusive preview of Colin Kaepernick accepting the 2017 Muhammad Ali Legacy Award at the Sports Illustrated Sportsperson of the Year ceremony. You can watch his full speech on Friday, Dec. 8 at 8 p.m. ET on the NBC Sports network.
In 1987, Sports Illustrated chose "Athletes Who Care" as their Sportsperson of the Year. Thirty years later, athletes remain as committed as ever to charity and activism. These are just a few of the many athletes who dedicate their efforts to helping others.