Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/1998 |  | José Pereira | MA | |||
| 07/1998 | | Hugo Gomes | GK | |||
| 07/1998 |  | Dragoslav Poleksić | GK |  | GD Chaves | GD Chaves |
| 07/1998 | | Bruno Mendes | DF | |||
| 07/1998 | | Carlos Fernandes | DF |  | Lourinhanense | Lourinhanense |
| 07/1998 | | Marco Almeida | DF |  | Sporting CP | Sporting |
| 07/1998 | | Nélson Morais | DF |  | FC Alverca | FC Alverca |
| 07/1998 | | Quim Machado | DF |  | Varzim SC | Varzim SC |
| 07/1998 | | Rogério Matias | DF |  | FC Maia | FC Maia |
| 07/1998 |  | Mauro Soares | MF |  | SC Farense | SC Farense |
| 07/1998 | | Paulo Miranda | MF |  | FC Famalicão | FC Famalicão |
| 07/1998 | | Sabugo | MF | | Lourinhanense | Lourinhanense |
| 07/1998 |  | Waldo Alvaréz | FW | |||
| 07/1998 | | Jorge Luís | FW |  | Porto - PE | Porto |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1999 | | Nélson Morais | DF | | FC Alverca | FC Alverca |
| 01/1999 | | Jorge Luís | FW |  | União Lamas | União Lamas |
| 01/1999 | | João Alves | MA | | SC Farense | SC Farense |
| 12/1998 | | Paulo Miranda | MF |  | CD Feirense | Feirense |
| 07/1998 | | Madureira | GK |  | CD Santa Clara | CD Santa Clara |
| 07/1998 | | Eurico | DF | | CD Santa Clara | CD Santa Clara |
| 07/1998 | | Gallardo | DF |  | CD Toledo | CD Toledo |
| 07/1998 | | Leonel | DF | | Varzim SC | Varzim SC |
| 07/1998 | | Nuno Luís | DF |  | UD Salamanca | Salamanca |
| 07/1998 | | Telmo | DF | | CD Santa Clara | CD Santa Clara |
| 07/1998 |  | Mohammed Sbae | MF |  | Imortal | Imortal |
| 07/1998 | | Viqueira | MF |  | Deportivo Fabril | Fabril |
| 07/1998 | | Kiko | FW |  | GD Estoril | Estoril |
| 07/1998 |  | Yuri | FW | | União Lamas | União Lamas |