Today, black men make up the majority of people playing professional football, but at one time, discrimination made it almost impossible for African-Americans to succeed in the league. Former NFL Cincinnati Bengal Gary S. Burley, author Ralph V. Brooks, and award-winning journalist Donna T. Francavilla combined efforts to reveal the challenges and achievements of those outstanding football players who broke the color barrier during the turn of the century. Hear the amazing story behind the new book, "Glory, the Struggle for Yards: Inspiration from Turn of the Century African-American Unsung Heroes," on this episode of "Rick & Bubba University."

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