Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/1990 |  | Andrea Icardi | MF |  | Lazio Roma | Lazio |
| 07/1990 | | Attilio Gregori | GK |  | Genoa CFC | Genoa CFC |
| 07/1990 |  | Silvano Martina | GK |  | Torino FC | Torino FC |
| 07/1990 | | Francesco Toldo | GK | |||
| 07/1990 | | Walter Bianchi | DF | | Torino FC | Torino FC |
| 07/1990 | | Cleto Polonia | DF |  | US Triestina | US Triestina |
| 07/1990 | | Ezio Rossi | DF | | Torino FC | Torino FC |
| 07/1990 | | Alessandro Cucciari | MF |  | AS Roma | AS Roma |
| 07/1990 | | Massimiliano De Silvestro | FW | |||
| 07/1990 | | Claudio Lunini | FW |  | US Fiorenzuola | US Fiorenzuola |
| 07/1990 | | Eugenio Fascetti | MA | | Torino FC | Torino FC |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/1990 | | Maurizio Iorio | FW |  | Inter | Inter |
| 07/1990 | | Luciano Bodini | GK | | Inter | Inter |
| 07/1990 | | Angelo Peruzzi | GK | | AS Roma | AS Roma |
| 07/1990 | | Marco Zuccher | GK |  | Siracusa Calcio 1924 | Siracusa Calcio |
| 07/1990 | | Alfonso Bertozzi | DF |  | AC Reggiana 1919 | Reggiana |
| 07/1990 |  | Nelson Gutiérrez | DF |  | CD Logroñés | CD Logroñés |
| 07/1990 | | Gianluca Gaudenzi | MF |  | AC Milan | AC Milan |
| 07/1990 | | Domenico Giacomarro | MF | | US Triestina | US Triestina |
| 07/1990 | | Vincenzo Mazzeo | MF |  | Trento Calcio 1921 | Trento Calcio 1921 |
| 07/1990 | | Matteo Pagani | MF |  | US Pergolettese | Pergolettese |
| 07/1990 | | Mauro Perina | FW |  | Chievo Verona | Chievo Verona |
| 07/1990 | | Osvaldo Bagnoli | MA | | Genoa CFC | Genoa CFC |