Athletic Bilbao
In: Gorka Guruzeta (Amorebieta), Ander Herrera (PSG, loan)
Out: Jokin Ezketia (Racing Santander), Juan Artola (Burgos), Inigo Vicente (Racing Santander), Imanol Garcia de Albeniz (Eibar, loan), Unai Nunez (Celta Vigo, loan), Nico Serrano (Mirandes, loan), Peru Nolaskoain (Eibar, loan)
Atletico Madrid
In: Axel Witzel (Borussia Dortmund), Samuel Lino (Gil Vicente), Nahuel Molina (Udinese), Sergio Reguilon (Tottenham Hotspur, loan)
Out: Hector Herrera (Houston Dynamo), Sime Vrsaljko (Olympiakos), Giuliano Simeone (Real Zaragoza, loan), Victor Mollejo (Real Zaragoza, loan), Mario Soriano (Deportivo La Coruna), Vitolo (Las Palmas, loan), Borja Garces (Tenerife, loan), Manu Sanchez (Osasuna, loan), Samuel Lino (Valencia, loan), Nehuen Perez (Udinese), Rodrigo Riquelme (Girona, loan), Sergio Camello (Rayo Vallecano, loan), Daniel Wass (Brondby), Renan Lodi (Nottingham Forest, loan), Marcos Paulo (Mirandes, loan)
Almeira
In: Martin Svidersky (Manchester United), Fernando Pacheco (Alaves), Leo Baptistao (Santos FC), Adrian Embarba (Espanyol), Gonzalo Melero (Levante)
Out: Nikola Maras (Alaves, loan), Aitor Bunuel (Tenerife), Jose Carlos Lazo (Espanyol), Arvin Appiah (Tenerife, loan), Umar Sadiq (Real Sociedad), Jordi Escobar (Real Betis, loan)
Barcelona
In: Pablo Torre (Racing Santander), Andreas Christensen (Chelsea), Franck Kessie (Milan), Raphinha (Leeds United), Robert Lewandowski (Bayern Munich), Jules Kounde (Sevilla), Hector Bellerin (Arsenal), Marcos Alonso (Chelsea)
Out: Philippe Coutinho (Aston Villa), Kays Ruiz-Atil (Auxerre), Clement Lenglet (Tottenham Hotspur, loan), Rey Manaj (Watford), Francisco Trincao (Sporting Lisbon, loan, Moussa Wague (HNK Gorica), Oscar Mingueza (Celta Vigo), Riqui Puig (LA Galaxy), Neto (Bournemouth), Nico Gonzalez (Valencia, loan), Alex Collado (Elche, loan), Samuel Umtiti (Lecce, loan), Moussa N'Diaye (Anderlecht), Martin Braithwaite (Espanyol), Sergiño Dest (Milan, loan), Ez Abde (Osasuna, loan), Pierre-Emerick Aubameyang (Chelsea)
Cadiz
In: Fede San Emeterio (Rayo Vallecano), Antonio Blanco (Real Madrid, loan)
Out: Jordan Holsgrove (Pacos de Ferreira), Milutin Osmajic (Vizela, loan), Martin Calderon (Celta Vigo, loan), Alberto Parea (Granada), Jorge Pombo (Racing Santander)
Celta Vigo
In: Oscar Rodriguez (Sevilla, loan), Luca de la Torre (Heracles Almelo), Unai Nunez (Athletic Bilbao), Julen Lobete (Real Sociedad), Oscar Mingueza (Barcelona), Agustin Marchesin (Porto), Goncalo Paciencia (Eintracht Frankfurt), Carles Perez (Roma, loan), Christian Joel (Sporting Gijon, loan), Martin Calderon (Cadiz, loan), Jorgen Strand Larsen (Groningen)
Out: Emre Mor (Fenerbahce), Brais Mendez (Real Sociedad), Orbelin Pineda (AEK Athens, loan), Sergio Carreira (Villarreal, loan), Miguel Baeza (Rio Ave, loan)
Elche
In: Roger Marti (Levante), Pol Lirola (Marseille, loan), Alex Collado (Barcelona, loan), Domingos Quina (Watford, loan), Federico Fernandez (Newcastle United)
Out: Lautaro Blanco (Rosario Central, loan), Josema (Leganes), Mourad El Ghezouani (Burgos, loan), Johan Mojica (Villarreal)
Espanyol
In: Joselu (Alaves), Vinicius Souza (Lommel SK, loan), Benjamin Lecomte (Monaco, loan), Edu Expositio (Eibar), Dani Gomez (Levante, loan), Jose Carlos Lazo (Almeria), Alvaro Fernandez (Huesca, loan), Martin Braithwaite (Barcelona)
Out: David Lopez (Granada), Tonny Vilhena (Salernitana, loan), Wu Lei (Shanghai Port), Matias Vargas (Shanghai Port), Adrian Embarba (Almeria), Landry Dimata (NEC Nijmegen, loan)
Getafe
In: Luis Milla (Granada), Borja Mayoral (Real Madrid), Kiko Casilla (Leeds United), Omas Alderete (Hertha Berlin, loan), Juanmi Latasa (Real Madrid, loan), Munir El Haddadi (Sevilla)
Out: Dario Poveda (Ibiza, loan), Jonathan Silva (Granada, loan), Ignasi Miquel (Granada), Erick Cabaco (Granada, loan), Jakub Jankto (Sparta Prague, loan)
Girona
In: Reiner Jesus (Real Madrid, loan), Javi Hernandez (Leganes, loan), Oriol Romeu (Southampton), Toni Villa (Real Valladolid), Manu Vallejo (Valencia)
Out:
Mallorca
In: Rodrigo Battaglia (Sporting Lisbon), Tino Kadewere (Lyon, loan)
Out: Aleix Febas (Malaga), Aleksandar Sedlar (Alaves), Matthew Hoppe (Middlesbrough), Jordi Mboula (Racing Santander, loan)
Osasuna
In: Aitor Fernandez (Levante), Manu Sanchez (Atletico Madrid, loan), Ez Abde (Barcelona, loan)
Out: Marc Cardona (Las Palmas), Jonas Ramalho (Malaga), Jose Angel (Sporting Gijon), Rober Ibanez (Levante), Javi Martinez (Albacete, loan)
Rayo Vallecano
In: Florian Lejeune (Alaves, loan), Sergio Camello (Atletico Madrid, loan), Pep Chavarria (Real Zaragoza), Abdul Mumin (Vitória de Guimarães)
Out: Joni Montiel (Levante, loan), Fede San Emeterio (Cadiz), Luca Zidane (Eibar)
Real Betis
In: Luiz Felipe (Lazio), Jordi Escobar (Almeria, loan)
Out: Diego Lainez (Braga, loan), Joel Robles (Leeds United), Marc Bartra (Trabzonspor), Yassin Fekir (Linense, loan), Rober Gonzalez (Alaves, loan)
Real Madrid
In: Antonio Rudiger (Chelsea), Aurelien Tchouameni (Monaco), Noel Lopez (Deportivo La Coruna), Iker Bravo (Bayer Leverkusen, loan)
Out: Gareth Bale (LAFC), Mario Gila (Lazio), Victor Chust (Cadiz), Luka Jovic (Fiorentina), Takefusa Kubo (Real Sociedad), Diego Altube (Albacete), Borja Mayoral (Getafe), Miguel Gutierrez (Girona), Isco (Sevilla), Marvin Park (Las Palmas, loan), Antonio Blanco (Cadiz, loan), Reiner Jesus (Girona, loan), Casemiro (Manchester United), Juanmi Latasa (Getafe, loan)
Real Sociedad
In: Brais Mendez (Celta Vigo), Takefusa Kubo (Real Madrid), Alexander Sorloth (RB Leipzig, loan), Umar Sadiq (Almeria)
Out: Roberto Lopez (Mirandes, loan), Jeremy Blasco (Huesca), Julen Lobete (Celta Vigo), Nais Djouahra (Rijeka), Mathew Ryan (FC Copenhagen), Alexander Isak (Newcastle United)
Sevilla
In: Marcao (Galatasaray), Alex Telles (Manchester United, loan), Isco (Real Madrid), Tanguy Nianzou (Bayern Munich), Kasper Dolberg (Nice, loan)
Out: Diego Carlos (Aston Villa), Luuk de Jong (PSV Eindhoven), Oscar Rodriguez (Celta Vigo, loan), Ludwig Augustinsson (Aston Villa, loan), Oussama Idrissi (Feyenoord, loan), Jules Kounde (Barcelona), Rony Lopes (Troyes, loan), Ivan Romero (Tenerife, loan), Lucas Ocampos (Ajax, loan), Munir El Haddadi (Getafe)
Valencia
In: Samu Castillejo (AC Milan), Samuel Lino (Atletico Madrid, loan), Nico Gonzalez (Barcelona, loan), Cenk Ozkacar (Lyon, loan), Andre Almeida (Vitoria de Guimaraes), Edinson Cavani (Manchester United, loan), Justin Kluivert (Roma, loan)
Out: Jorge Saenz (Leganes, loan), Jaser Cillessen (NEC Nijmegen), Goncalo Guedes (Wolverhampton Wanderers), Carlos Soler (PSG), Maxi Gómez (Trabzonspor), Uros Racic (Braga, loan), Manu Vallejo (Girona)
Valladolid
In: Sergio Asenjo (Villarreal), Mickael Malsa (Levante), Zouhair Feddal (Sporting), Kenedy (Real Valladolid), Juanjo Narvaez (Real Zaragoza)
Out: Paulo Vitor (Rio Ave, loan), Pablo Hervias (Malaga, loan), Waldo Rubio (Tenerife, loan), Sekou Gassama (Racing Santander, loan), Hugo Vallejo (Ponferradina, loan), Toni Villa (Girona)
Villarreal
In: Pepe Reina (Lazio), Kiko Femenia (Watford), Sergio Carreira (Celta Vigo, loan), Giovani Lo Celso (Tottenham Hotspur, loan), Mamdou Fall (LAFC, loan), Johan Mojica (Elche)
Out: Xavi Quintilla (Santa Clara), Sergio Asenjo (Real Valladolid), Mario Gaspar (Watford), Vicente Iborra (Levante, loan), Marlone Foubert-Jacquemin (Roma), Pervis Estupinan (Brighton & Hove Albion), Paco Alcacer (Sharjah FC, loan), Boulaye Dia (Salernitana, loan)