Conversation so far:
What was Ken Norton's professional career?
Kenneth Howard Norton Sr. was an American professional boxer who competed from 1967 to 1981.
Who were some of Ken Norton's boxing wins over?
Ken Norton is best known for his trilogy with Muhammad Ali, in which Norton won the first fight by split decision.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about Ken Norton besides being known for his trilogy with Muhammad Ali, in which Norton won the first fight by split decision?