Alaves
In: Jason (Valencia, free), Gonzalo Escalante (Lazio, loan), Manu Vallejo (Valencia, loan)
Out: Mamadou Sylla (Ray Vallecano, loan)
Athletic Bilbao
In: n/a
Out: Peru Nolaskoain (Amorebieta, loan)
Atletico Madrid
In: Daniel Wass (Valencia, £2.1m), Reinildo Mandava (Lille, £2.5m)
Out: Àlex Collado (Granada, loan), Kieran Trippier (Newcastle United, £12m), Ivan Saponjic (Slovan Bratislava. free)
Barcelona
In: Ferran Torres (Manchester City, £46.3m), Fabio Blanco (Eintracht Frankfurt, £840k), Adama Traoré (Wolves, loan), Pierre-Emerick Aubameyang (Arsenal, free)
Out: Sergio Agüero (retired), Philippe Coutinho (Aston Villa, loan), Iñaki Peña (Galatasaray, loan)
Cadiz
In: Rubén Alcaraz (Real Valladolid, loan), Oussama Idrissi (Sevilla, loan), Luis Hernández (Maccabi Tel Aviv, free), Lucas Pérez (Elche, loan)
Out: Martin Calderon (Mirandes, loan), Marcos Mauro (FC Juarez, free), Jon Ander Garrido (Mirandés, loan), Álvaro Jiménez (Ibiza, loan), Milutin Osmajic (Bandirmaspor, loan)
Celta Vigo
In: Orbelin Pineda (Cruz Azul, free)
Out: Miguel Baeza (Ponferradina, loan), Okay Yokuslu (Getafe, loan)
Elche
In: Ezequiel Ponce (Spartak Moscow, loan), Kike Pérez (Real Valladolid, loan), Lucas Olaza (Real Valladolid, loan), Ezequiel Ponce (Spartak Moscow, loan)
Out: Josema (Real Valladolid, loan), Lucas Pérez (Cadiz, loan)
Espanyol
In: Tonny Vilhena (Krasnodar, loan)
Out: n/a
Getafe
In: Borja Mayoral (Roma, loan), Gonzalo Villar (Roma, loan), Óscar Rodríguez (Sevilla, loan), Okay Yokuslu (Celta Vigo, loan), Gastón Álvarez (Boston River, loan)
Out: Chema (Eibar, loan), David Timor (Huesca, free), Dario Poveda (Huesca, loan), Allan Nyom (Leganes, free), José Macías (Chivas, loan ended)
Granada
In: Àlex Collado (Barcelona, loan), Njegos Petrovic (Red Star Belgrade, £1.3m), Matías Arezo (River Plate, £5.8m), Myrto Uzuni (Ferencvaros, £2.7m)
Out: Monchu (Real Valladolid, loan)
Levante
In: Martín Cáceres (Cagliari, free)
Out: Pablo Martínez (Huesca, loan)
Mallorca
In: Sergio Rico (PSG, loan), Giovanni González (Peñarol, loan), Vedat Muriqi (Lazio, loan)
Out: Aleix Febas (Malaga, loan), Joan Sastre (PAOK, loan), Aleksandar Trajkovski (Al-Fayha, free), Jordi Mboula (Estoril, loan)
Osasuna
In: n/a
Out: Roger Ibáñez (Leganes, loan), Jaume Grau (Real Zaragoza, free)
Rayo Vallecano
In: Mamadou Sylla (Alaves, loan)
Out: José Pozo (Al-Ahli, loan), Andrés Martín (Tenerife, loan), Yacine Qasmi (Leganés, loan)
Real Betis
In: Gonçalo Cardoso (West Ham United, loan)
Out: Rober González (Las Palmas, loan)
Real Madrid
In: n/a
Out: n/a
Real Sociedad
In: Rafinha (PSG, loan), Jonathan Gómez (Louisville City, undisclosed)
Out: n/a
Sevilla
In: Jesús Corona (Porto, £2.9m), Anthony Martial (Manchester United, loan)
Out: Ibrahim Amadou (released), Óscar Rodríguez (Getafe, loan), Oussama Idrissi (Cadiz, loan)
Valencia
In: Giorgi Mamardashvili (Dinamo Tbilisi, £720k), Eray Cömert (Basel, £670k), Ilaix Moriba (RB Leipzig, loan), Bryan Gil (Tottenham, loan)
Out: Jason (Alaves, free), Cristiano Piccini (Red Star Belgrade, released), Daniel Wass (Atletico Madrid, £2.1m), Jorge Sáenz (Mirandés, loan), Manu Vallejo (Alaves, loan)
Villarreal
In: n/a
Out: Iván Martín (Girona, loan), Álex Millán (Union St-Gilloise, loan), Javi Ontiveros (Fuenlabrada, undisclosed), Dani Raba (free agent)