Conversation so far:
What did he do in Yugoslavia?
The young man regularly played for the Yugoslavian national team.
What else did he do while he was there?
The 1984 Summer Olympics were Petrovic's first competition of a grand scale with the Yugoslav senior national team.

Question: How did he do in the Olympics?
Self-contained rewrite: How well did Dražen Petrović participate in the Olympics?