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 ...

In Miami, Cassius Clay became Muhammad Ali. Between his run-ins with Jim Crow laws, discovery of the Nation of Islam and heavyweight title victory, Miami is integral to his legendary career.

When Muhammad Ali knocked down Sonny Liston on May 25, 1965, a 22-year-old photographer named Neil Leifer was ringside. Decades later, the image he captured still has our attention.

Muhammad Ali was a professional boxer and activist who is widely remembered as "the greatest" in the sport of boxing. Ali died in 2016.

A: "The first Muhammad Ali poster I bought was the 1966 one vs. Cleveland Williams, I paid $30 for it. And Mickey Mantle's rookie card at the time was $2,500. And a baseball was a couple $100.