A poster featuring a pixelated image of Muhammad Ali and Pelé embracing after Pelé's final soccer match in 1977. Ali signed, dated, and wrote an aphorism at the bottom of the poster. Credit Line ...

On May 25, 1965, Leifer snapped a photo of Muhammad Ali knocking out Sonny Liston in a rematch of a world heavyweight title bout at the Central Maine Youth Center in Lewiston, which today is known ...