Conversation so far:
What is something Rocky Graziano did in his professional career?
In March 1945, at Madison Square Garden, Rocky Graziano scored a major upset over Billy Arnold.
Did Rocky Graziano win the match against Billy Arnold in March 1945?
Following his loss to Rocky Graziano, Billy Arnold was never the same.
Did Rocky Graziano win any titles in his career?
Rocky Graziano was an Italian-American professional boxer who held the World Middleweight title.
Are there any other interesting aspects about the Rocky Graziano article besides beating Billy Arnold and holding the World Middleweight title?
Rocky Graziano fought three middleweight title bouts against Tony Zale.
Did Rocky Graziano win against Tony Zale?
In their first match, Tony Zale rallied and knocked Rocky Graziano out in the sixth round to retain his title.
Did Rocky Graziano get hurt any time in his professional career?
The referee almost stopped the second fight in the third round of the Rocky Graziano and Tony Hale rematch because of a severe cut over Graziano's left eye.

Question: Did he ever change anything about his career?
Self-contained rewrite: Did Rocky Graziano ever change anything about his career?