Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/2021 |  | Pedro Souza | GK | |||
| 03/2021 | | Diogo Spencer | DF |  | SL Benfica U19 | Benfica U19 |
| 03/2021 |  | Manuel Campos | MF | |||
| 01/2021 | | Gonçalo Negrão | DF | | SL Benfica U19 | Benfica U19 |
| 01/2021 | | Hugo Félix | MF |  | SL Benfica | Benfica |
| 01/2021 |  | Diego Moreira | FW |  | SL Benfica U17 | SL Benfica U17 |
| 07/2020 | | Guilherme Fernandes | GK | | SL Benfica U19 | Benfica U19 |
| 07/2020 | | António Ribeiro | DF |  | Académica de Coimbra | Académica |
| 07/2020 | | António Silva | DF | | SL Benfica U17 | SL Benfica U17 |
| 07/2020 |  | Adrian Bajrami | DF | | SL Benfica U19 | Benfica U19 |
| 07/2020 | | Guilherme Montóia | DF | | SL Benfica U17 | SL Benfica U17 |
| 07/2020 | | João Tomé | DF | | SL Benfica U17 | SL Benfica U17 |
| 07/2020 |  | Branimir Kalaica | DF |  | SL Benfica B | Benfica B |
| 07/2020 | | Renato Matos | DF | | SL Benfica U19 | Benfica U19 |
| 07/2020 | | Martim Neto | MF | | SL Benfica U19 | Benfica U19 |
| 07/2020 |  | Cher Ndour | MF |  | Atalanta U16 | U16 |
| 07/2020 | | Henrique Pereira | FW | | SL Benfica U19 | Benfica U19 |
| 07/2020 | | João Resende | FW | | SL Benfica U17 | SL Benfica U17 |
| 07/2020 | | Luís Semedo | FW | | SL Benfica U17 | SL Benfica U17 |
| 07/2020 | | Pedro Santos | FW | | SL Benfica U19 | Benfica U19 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2021 |  | Vilius Armalas | DF |  | FC Hegelmann | Hegelmann |
| 01/2021 | | Sérgio Andrade | MF |  | GD Estoril U23 | U23 |
| 09/2020 | | Miguel Nóbrega | DF |  | Grasshopper Club Zürich | Grasshoppers |
| 08/2020 | | Diego Batista | MF |  | FC Famalicão U23 | U23 |
| 07/2020 | | Tomás Domingos | DF |  | CD Mafra | CD Mafra |
| 07/2020 |  | CJ dos Santos | GK | | SL Benfica B | Benfica B |
| 07/2020 | | Jorginho | DF | | FC Famalicão U23 | U23 |
| 07/2020 | | Luís Pinheiro | DF |  | Varzim SC | Varzim SC |
| 07/2020 |  | Morato | DF | | SL Benfica B | Benfica B |
| 07/2020 | | Tiago Araújo | FW | | SL Benfica | Benfica |