A new biography of Walter Payton details the Hall of Fame running back's frequent drug use, extramarital affairs and the crippling loneliness that plagued him after his retirement from the NFL.
Sports Illustrated's Jeff Pearlman spent more than two years working on "Sweetness: The Enigmatic Life of Walter Payton" and uncovered startling details about the Chicago Bears running back who was so highly regarded that the NFL named its Man of the Year Award after him.
Read more: http://sports.yahoo.com/nfl/blog/shutdown_corner/post/Book-Walter-Payton-abused-painkillers-discusse?urn=nfl-wp8200
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Always sad to hear about the secret lives these athletes have.
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Twitter: @SteelersYak