Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2000 |  | Duda | FW |  | FC Porto | FC Porto |
| 01/2000 |  | Juan Viveros | FW |  | Sporting CP | Sporting |
| 07/1999 |  | Sergey Ovchinnikov | GK |  | SL Benfica | Benfica |
| 07/1999 |  | Gaspar | DF |  | Leça FC | Leça FC |
| 07/1999 | | Gilber | DF | |||
| 07/1999 | | Vasiliy Kulkov | DF |  | Krylia Sovetov | Krylia Sovetov |
| 07/1999 | | Marco Caneira | DF |  | SC Beira-Mar | SC Beira-Mar |
| 07/1999 | | Nélson Veríssimo | DF |  | Académica de Coimbra | Académica |
| 07/1999 | | Sousa | DF | | SL Benfica | Benfica |
| 07/1999 | | Zé António | DF | | Leça FC | Leça FC |
| 07/1999 | | Alhandra | MF | |||
| 07/1999 |  | Bernardo | MF |  | Lourinhanense | Lourinhanense |
| 07/1999 |  | Miner | MF |  | FC Cartagena | Cartagena |
| 07/1999 | | Nuno Assis | MF | |||
| 07/1999 | | Anderson Luíz | FW | |||
| 07/1999 | | Mantorras | FW |  | Progresso Associação Sambizanga | Progresso Associação Sambizanga |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2000 | | Cajú | MF | | FC Porto | FC Porto |
| 07/1999 | | Vitor Valente | GK | | Académica de Coimbra | Académica |
| 07/1999 | | José Soares | DF | | SL Benfica | Benfica |
| 07/1999 | | Valente | DF |  | CD Nacional | CD Nacional |
| 07/1999 | | Valido | DF |  | CD Operário | CD Operário |
| 07/1999 | | Maniche | MF | | SL Benfica | Benfica |
| 07/1999 | | Marco Freitas | MF | | SL Benfica | Benfica |
| 07/1999 | | Tozé | MF |  | FC Maia | FC Maia |
| 07/1999 | | Ilshat Faizulin | FW |  | SC Farense | SC Farense |
| 07/1999 | | João Pires | FW |  | Estrela Amadora | Amadora |
| 07/1999 | | Nandinho | FW |  | Vitória Guimarães | Vitória SC |