The club transferred out forward Stefano Borgonovo to A.C. Milan, replaced by Argentine striker Oscar Dertycia who was injured during half of campaign.

Owing to rebuilding actions in its Comunale for the upcoming 1990 FIFA World Cup the squad played several matches in Pistoia, Perugia and Arezzo.

[3] One day after the 1990 UEFA Cup Final match lost, the Pontello announced the transfer out of Roberto Baggio to Juventus.

[4] During summer of 1990, the viola fans continued their riots, this time against the Italy national football team and the upcoming 1990 FIFA World Cup in Coverciano nearby Firenze until the Italian Football Federation relocated the squad to Marino, nearby Roma due to safety concerns.

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