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Boxing legend Muhammad Ali (L) and wife Lonnie Ali appear onstage during the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center.
Ethan Miller/Getty Images
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Cassius Clay is a happy young man in his dressing room after knocking out Archie Moore in the exact round he predicted he would, the fourth, at Los Angeles, Nov. 17, 1962.  (AP Photo)
Eric Marrapodi/CNN
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