What made Muhammad Ali ‘The Greatest’?

Published 12:05 AM EDT, Sun June 5, 2016

Story highlights

Muhammad Ali universally acknowledged as "The Greatest" boxer of all time

He was a global icon whose fame spread far beyond the sporting arena

(CNN) —  

“I am the greatest.”

It’s easy to say – but much harder to convince millions of people around the world that you’re right.

A conversation about Muhammad Ali could go on for hours before even beginning to touch on the sporting legacy he left in the ring.