Challenger Muhammad Ali, or Cassius Clay as he was known at the time, pokes a fast left jab to the face of Sonny Liston during their championship heavyweight fight in Miami Beach, Fla., Feb 25, 1964.

I’m the greatest!Muhammad Ali Despite his back-to-back losses against Ali, Liston came back stronger. He won 15 of his last 16 fights before hanging up the gloves.

A change was gonna come: On Feb. 25, 1964, Cassius Clay, left, who would later became Muhammad Ali, stepped into the ring against Sonny Liston in Miami Beach, Fla.

The gloves Muhammad Ali used to beat Sonny Liston on Feb. 25, 1964, were auctioned off on Saturday night. ESPN's Dan Rafael reported the gloves fetched a cool $836,500.

On May 25, 1965, it was Muhammad Ali vs Sonny Liston II, one of the most controversial fights in boxing history, and we’re taking you back to relive it.

A statue of Muhammad Ali was unveiled in Lewiston on May 31. The statue commemorates the famous 1965 rematch between Ali and Sonny Liston, which the city of Lewiston hosted.

Muhammad Ali vs Sonny Liston was an epic fight. Sonny Liston, a glowering brute who’d flattened his last nine foes, fought against a 22-year-old Cassius Clay who entered as a laughingstock.

Muhammad Ali vs Sonny Liston was an epic fight. Sonny Liston, a glowering brute who’d flattened his last nine foes, fought against a 22-year-old Cassius Clay who entered as a laughingstock.

It is in black and white and shows Ali and Cooke smiling and cheering side by side during the Floyd Patterson vs. Sonny Liston boxing match at the Convention Center in Las Vegas, Nevada, in 1963.