Conversation so far:
What is napoli?
Maradona arrived in Naples and was presented to the world media as a Napoli player on 5 July 1984.
Are there any other interesting aspects about this article?
Napoli would win their second league title in 1989-90, and finish runners up in the league twice, in 1987-88 and 1988-89.
was there any other wins?
Other honors during the Maradona era at Napoli included the Coppa Italia in 1987.

Question: Can you tell me more about this season?
Self-contained rewrite: Can you tell me more about 1989-90?