In this Thursday Feb. 4, 1999, photo, Muhammad Ali, known as "The Greatest," poses next to a Wheaties poster during the unveiling of the 75th anniversary cereal box in his honor, in New York. Ali was one of the greatest athletes of all time, but he didn't cash in on product endorsements during his prime the way you'd expect today. Ali was featured on the Wheaties box in 1999, long after he retired, and was the first boxers to appear there. (AP Photo/Bebeto Matthews, File)
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