[Acolyte, tennis player, waiter], 13 letters
Input to an insurer, 15 letters
'60s heavyweight champ, 6 letters
Beaten by Clay in 1964, 6 letters
Boxer nicknamed The Bear, 6 letters
Boxer on the cover of Sgt. Pepper's Lonely Hearts Club Band, 6 letters
Champ dethroned in 1964, 6 letters
Former heavyweight champ Sonny, 6 letters
Heavyweight champ: 1962-64, 6 letters
His 1964 dethroning was a feat of Clay, 6 letters
Loser to Clay in 1964, 6 letters