Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2019 |  | Anthony Walker | GK | |||
| 01/2019 |  | Dean Lico | MF |  | CD Leganés U19 | U19 |
| 07/2018 |  | Hugo Cunha | GK |  | Sporting CP U17 | U17 |
| 07/2018 | | Gonçalo Inácio | DF | | Sporting CP U17 | U17 |
| 07/2018 | | Hevertton | DF | | Sporting CP U17 | U17 |
| 07/2018 |  | Loide Augusto | DF | |||
| 07/2018 | | André Cardoso | MF | | Sporting CP U17 | U17 |
| 07/2018 | | Rodrigo Fernandes | MF | | Sporting CP U17 | U17 |
| 07/2018 | | Samuel Lobato | MF | | Sporting CP U17 | U17 |
| 07/2018 | | Félix Correia | FW | | Sporting CP U17 | U17 |
| 07/2018 | | Miguel Velosa | FW |  | Paços de Ferreira U19 | Paços U19 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2019 | | Euclides Cabral | DF |  | Grasshopper Club Zürich | Grasshoppers |
| 08/2018 |  | Douglas Aurélio | FW |  | Os Belenenses U19 | Os Belenenses U19 |
| 07/2018 | | Guilherme Fernandes | GK | | Os Belenenses U19 | Os Belenenses U19 |
| 07/2018 | | Luís Maximiano | GK |  | Sporting CP | Sporting |
| 07/2018 | | Rafa van der Laan | GK |  | GD Estoril B | GD Estoril B |
| 07/2018 | | Diogo Rodrigues | DF |  | Amora FC | Amora |
| 07/2018 | | João Goulart | DF |  | Sporting CP U23 | U23 |
| 07/2018 | | João Oliveira | DF | | Sporting CP U23 | U23 |
| 07/2018 |  | João Ricciulli | DF | | Sporting CP U23 | U23 |
| 07/2018 | | João Silva | DF |  | Sporting CP B | Sporting B |
| 07/2018 | | Tiago Djaló | DF | | Sporting CP | Sporting |
| 07/2018 | | Bruno Paz | MF | | Sporting CP U23 | U23 |
| 07/2018 | | Pedro Ferreira | MF |  | CD Mafra | CD Mafra |
| 07/2018 | | Tomás Silva | MF | | Sporting CP U23 | U23 |
| 07/2018 | | Diogo Brás | FW | | Sporting CP U23 | U23 |
| 07/2018 |  | Jovane Cabral | FW | | Sporting CP | Sporting |
| 07/2018 | | Nuno Moreira | FW | | Sporting CP U23 | U23 |
| 07/2018 | | Vasco Lopes | FW |  | GD Gafanha | GD Gafanha |
| 07/2018 | | Tiago Fernandes | MA | | Sporting CP | Sporting |