Deletion of Cassius Clay vs. Donnie Fleeman

Comment: Ali was an immense global figure, better known throughout the world than anyone when in his prime. These fights are the events in his life that made him what he was, like a director's films, a writer's novels, a general's victories. Per  the sourcing is reliable and non-trivial. The editor has a track-record of creating excellent content, and this is clearly a fine article in the making
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)