Related Clues:
- Boxing legend from Kentucky
- Noted pugilist
- Joe Frazier rival
- '60s heavyweight champ
- He beat Liston
- His jaw was broken by a boxing 24-Across
- Zulfikar ___ Bhutto, 1970's Pakistani leader
- Larter of ''Heroes''
- Talkative fighter
- 'The Greatest' boxer
- The self-proclaimed ''Greatest''
- 'Rope-a-dope' boxer
- Rumble in the Jungle winner
- With 1-Down, 'open, sesame' utterer
- Muhammad ____