Conversation so far:
What is Leonard v Lalonde?
Leonard faced Don Lalonde for Lalonde's WBC Light Heavyweight Championship and the newly created WBC Super Middleweight Championship.
Did Sugar Ray Leonard win against Don Lalonde?
Judges Chuck Giampa and Franz Marti had Leonard ahead by scores of 77–74 and 77–75, respectively.
What was Sugar Ray Leonard's greatest accomplishment?
Often regarded as one of the greatest boxers of all time, he competed from 1977 to 1997, winning world titles in five weight divisions.

Question: What was his best fight?
Self-contained rewrite: What was Sugar Ray Leonard's best fight?