Napoli had its best league season in five years, finishing third in the 1985–86 league season.

Due to Roma's collapse in the final rounds of the season, Napoli closed to within two points of second place, also having a significant margin to Torino in fourth.

Diego Maradona prepared for his glorious World Cup with eleven goals and several assists.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.