article_snippet: (CNN)When Oakland Raiders NFL running back Maurice Jones-Drew retired recently at just 29 years old, he said he life had been focused on football for 24 years and he needed a change.
article_snippet: It's no wonder he wanted out.
article_snippet: he has been playing football since he was 5 years old.
article_snippet: Jones-Drew is no different from thousands of other boys whose parents introduce whose parents to the gridiron just a few years out of diapers.