Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1990 |  | Fua | DF |  | Leça FC | Leça FC |
| 07/1990 |  | Sérgio Lavos | MF | |||
| 07/1990 | | Pedro Maia | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1990 | | Balseiro | GK |  | FC Tirsense | FC Tirsense |
| 07/1990 | | Paulo Sousa | DF |  | Boavista | Boavista |
FC Maia
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1990 | | Fua | DF | | Leça FC | Leça FC |
| 07/1990 | | Sérgio Lavos | MF | |||
| 07/1990 | | Pedro Maia | FW |
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1990 | | Balseiro | GK | | FC Tirsense | FC Tirsense |
| 07/1990 | | Paulo Sousa | DF | | Boavista | Boavista |