31 July 2010 : Portuguese Super League Transfers Updated| Player | Position | From | To | Fee €m | |
| Faria | DF | Rio Ave | Benfica | u/d | |
| Obiak | GK | Olimpija Ljubljana | Benfica | u/d | |
| Roberto | GK | Atletico Madrid | Benfica | 8.50 | |
| Artur | GK | Roma | Braga | u/d | |
| Barbosa | MF | Porto | Braga | u/d | |
| Echiejile | DF | Rennes | Braga | 2.50 | |
| Neto | MF | Villa Rio | Braga | u/d | |
| Quim | GK | Benfica | Braga | Free | |
| Salino | MF | Nacional | Braga | u/d | |
| Porritt | MF | Middlesbrough | Olhaenense | Free | |
| Moutinho | MF | Sporting | Porto | 11.00 | |
| Rafael | DF | Academica | Porto | u/d | |
| Rodriguez | MF | Banfield | Porto | 5.10 | |
| Souza | MF | Vasco | Porto | 3.50 | |
| Walter | FW | Internacional | Porto | 3.50 | |
| Pinto | DF | Braga | Rio Ave | u/d | |
| Coelho | DF | Porto | Sporting | Free | |
| Evaldo | DF | Braga | Sporting | 6.00 | |
| Maniche | MF | Koln | Sporting | Free | |
| Torsiglieri | DF | Velez Sarsfield | Sporting | u/d | |
| Zapater | MF | Genoa | Sporting | u/d | |
| 40.10 | |||||
| u/d = undisclosed | |||||