Conversation so far:
when did joe frazier's financial issues begin?
According to an article from The New York Times, "over the years, Frazier has lost a fortune through a combination of his own generosity and naivete.
who was he overly generous to with his money?
failed business opportunities.

Question: what legal battles was he involved in?
Self-contained rewrite: What legal battles was Joe Frazier involved in?