Brown University halfback Fritz Pollard became one of the first two African-American NFL football players, helping to lead the Akron Pros to the championship in 1920. He became the co-head coach for the team in 1921, making him the first black NFL head coach.
Source: http://abcnews.go.com/Entertainment/slideshow/super-bowl-nfl-black-history-firsts-18359186/image-18359286
