So far, 26 teams are confirmed in the 2021/22 UEFA Champions League group stage and are building their squads ahead of the deadline for submission to UEFA of 24:00 CET on 2 September.
UEFA.com wraps up the confirmed moves so far.
AC Milan
In: Mike Maignan (LOSC Lille), Fikayo Tomori (Chelsea), Sandro Tonali (Brescia), Olivier Giroud (Chelsea), Fodé Ballo-Touré (Monaco), Brahim Díaz (Real Madrid, loan)
Out: Gianluigi Donnarumma (Paris Saint-Germain), Marco Brescianini (Monza, loan), Diego Laxalt (Dynamo Moskva), Hakan Çalhanoğlu (Inter), Lorenzo Colombo (SPAL, loan), Jens Petter Hauge (Frankfurt, loan)
Ajax
In: Jay Gorter (Go Ahead Eagles), Remko Pasveer (Vitesse), Steven Berghuis (Feyenoord)
Out: Noa Lang (Club Brugge), Răzvan Marin (Cagliari), Lassina Traoré (Shakhtar Donetsk), Carel Eiting (Genk), Brian Brobbey (Leipzig), Dominik Kotarski (Gorica, loan), Kjell Scherpen (Brighton)
Atalanta
In: Juan Musso (Udinese), Simone Mazzocchi (Südtirol), Giuseppe Pezzella (Parma, loan), Matteo Lovato (Hellas Verona), Merih Demiral (Juventus, loan)
Out: Musa Barrow (Bologna), Roger Ibañez (Roma), Andreas Cornelius (Parma), Nicolas Haas (Empoli), Simone Mazzocchi (Ternana, loan), Luca Vido (Cremonese, loan), Pierluigi Gollini (Tottenham, loan), Christian Capone (Ternana, loan), Matteo Ruggeri (Salernitana, loan), Cristian Romero (Tottenham, loan), Ebrima Colley (Spezia, loan)
Atlético de Madrid
In: Rodrigo de Paul (Udinese), Marcos Paulo (Fluminense)
Out: Álvaro Morata (Juventus, loan extended), Darío Poveda (Getafe), Vitolo (Getafe, loan), Nicolás Ibáñez (Pachuca), Axel Werner (released), Manu Sánchez (Osasuna, loan)
Barcelona
In: Sergio Agüero (Manchester City), Eric García (Manchester City), Emerson Royal (Real Betis), Memphis Depay (Lyon)
Out: Lionel Messi (Paris Saint-Germain), Juan Miranda (Real Betis), Jean-Clair Todibo (Nice), Konrad de la Fuente (Marseille), Matheus Fernandes (released), Francisco Trincão (Wolves, loan), Junior Firpo (Leeds), Carles Aleñá (Getafe), Monchu (Granada)
Bayern München
In: Dayot Upamecano (Leipzig), Omar Richards (Reading), Sven Ulreich (Hamburg)
Out: Angelo Stiller (Hoffenheim), Javi Martínez (Qatar SC), David Alaba (Real Madrid), Jérôme Boateng (released), Lasse Günther (Augsburg), Fiete Arp (Holstein Kiel), Alexander Nübel (Monaco), Nicolas Kühn (Erzgebirge Aue), Lars Lukas Mai (Werder Bremen), Sarpreet Singh (Jahn Regensburg), Adrian Fein (Greuther Fürth, loan)
Beşiktaş
In: Mehmet Topal (Başakşehir), Salih Uçan (Alanyaspor), Kenan Karaman (Fortuna Düsseldorf), Valentin Rosier (Sporting CP, loan extension), Alex Teixeira (Jiangsu), Rachid Ghezzal (Leicester City, loan made permanent), Mert Günok (İstanbul Başakşehir)
Out: Vincent Aboubakar (Al-Nassr), Dorukhan Toköz (Trabzonspor), Alpay Çelebi (Kocaelispor, loan), Kerem Kalafat (Uşakspor, loan), Umut Nayir (Giresunspor)
Borussia Dortmund
In: Donyell Malen (PSV), Gregor Kobel (Stuttgart), Soumaïla Coulibaly (Paris Saint-Germain), Antonios Padadopoulous (Hallescher FC)
Out: Lukasz Piszczek (Goczałkowice), Chris Führich (Paderborn), Patrick Osterhage (Bochum), Sergio Gómez (Anderlecht), Leonardo Balerdi (Marseille), Jadon Sancho (Manchester United)
Chelsea
In: Marcus Bettinelli (Fulham), Romelu Lukaku (Inter)
Out: Willy Caballero (released), Jamal Blackman (released), Pierre Ekway Elimby (West Ham), Danilo Pantić (Partizan), Fikayo Tomori (AC Milan), Izzy Brown (Preston, loan), Billy Gilmour (Norwich, loan), Victor Moses (Spartak Moskva), Luke McCormick (Wimbledon), Juan Familla-Castillo (Birmingham, loan), Olivier Giroud (AC Milan), Marc Guehi (Crystal Palace), Jake Clarke-Salter (Coventry, loan), Tammy Abraham (Roma)
Club Brugge
In: Noa Lang (Ajax, loan made permanent), Eduard Sobol (Shakhtar, loan made permanent), Stanley Nsoki (Nice)
Out: Emmanuel Dennis (Watford), Ethan Horvath (released), Siemen Voet (Zwolle), Michael Krmenčík (Slavia Praha, loan), Odilon Kossounou (Leverkusen), Thomas Van den Keybus (Westerlo, loan), David Okereke (Venezia, loan)
Dynamo Kyiv
In: Denys Antyukh (Kolos), Ilya Shkurin (CSKA Moskva, loan), Eric Ramírez (Dunajská Streda), Vladyslav Kulach (Vorskla)
Out: Mikkel Duelund (NEC Nijmegen, loan), Clayton (released), Fran Sol (Eibar, loan), Serhiy Buletsa (Zorya, loan), Akhmed Alibekov (Zorya, loan), Nazariy Rusin (SK Dnipro-1, loan), Mykyta Kravchenko (SK Dnipro-1, loan), Heorhii Tsitaishvili (Chornomorets Odesa, loan), Vladyslav Dubinchak (SK Dnipro-1, loan), Mohammed Kadiri (Chornomorets Odesa, loan)
Inter
In: Hakan Çalhanoğlu (AC Milan), Alex Cordaz (Crotone), Zinho Vanheusden (Standard Liège), Edin Džeko (Roma), Denzel Dumfries (PSV Eindhoven)
Out: Achraf Hakimi (Paris Saint-Germain), Daniele Padelli (Udinese), Ashley Young (Aston Villa), Sebastiano Esposito (Basel, loan), João Mário (Benfica), Dalbert (Cagliari, loan), Romelu Lukaku (Chelsea), Radja Nainggolan (Royal Antwerp)
Juventus
In: Álvaro Morata (Atlético, loan extended), Kaio Jorge (Santos)
Out: Marco Olivieri (Lecce, loan), Gianluigi Buffon (Parma, released), Marko Pjaca (Torino, loan), Gianluca Frabotta (Hellas Verona, loan), Cristian Romero (Atalanta, loan made permanent), Merih Demiral (Atalanta, loan)
Leipzig
In: Angeliño (Manchester City, loan made permanent), André Silva (Eintracht Frankfurt), Joško Gvardiol (Dinamo Zagreb), Mohamed Simakan (Strasbourg), Benjamin Henrichs (Monaco), Brian Brobbey (Ajax)
Out: Ibrahima Konaté (Liverpool), Dayot Upamecano (Bayern), Hannes Wolf (Mönchengladbach), Fabrice Hartmann (Paderborn), Lazar Samardžić (Udinese)
Liverpool
In: Ibrahima Konaté (Leipzig)
Out: Georginio Wijnaldum (Paris Saint-Germain), Sepp van den Berg (Preston, loan), Paul Glatzel (Tranmere, loan), Kamil Grabara (Copenhagen), Joe Hardy (Accrington Stanley), Harry Wilson (Fulham), Ben Davies (Sheffield United, loan)
LOSC Lille
In: Amadou Onana (Hamburg)
Out: Boubakary Soumaré (Leicester City), Mike Maignan (AC Milan), Hervé Koffi (Charleroi), Adama Soumaoro (Bologna, loan made permanent), Rominigue Kouamé (Troyes, loan made permanent), Luiz Araújo (Atlanta United)
Manchester City
In: Kayky (Fluminense), Darío Sarmiento (Estudiantes), Jack Grealish (Aston Villa)
Out: Angeliño (Leipzig, loan made permanent), Sergio Agüero (Barcelona), Eric García (Barcelona), Daniel Grimshaw (Blackpool), Louie Loulden (Wolves), Taylor Harwood-Bellis (Anderlecht, loan), Issa Kabora (Troyes, loan), Marlos Moreno (Kortrijk, loan), James Trafford (Accrington Stanley, loan), Gavin Bazunu (Portsmouth, loan), Lewis Fiorini (Lincoln City, loan), Jack Harrison (Leeds), Alexander Robertson (Ross County, loan), Adrián Bernabé (Parma), Filip Stevanović (Heerenveen, loan), Lukas Nmecha (Wolfsburg), Arijanet Murić (Adana Demirspor)
Manchester United
In: Tom Heaton (Aston Villa), Jadon Sancho (Dortmund), Raphaël Varane (Real Madrid)
Out: Sergio Romero (released), Joel Pereira (released), Nathan Bishop (Mansfield, loan), Reece Devine (St Johnstone, loan), Tahith Chong (Birmingham, loan), Facundo Pellistri (Alavés, loan)
Paris Saint-Germain
In: Lionel Messi (Barcelona), Achraf Hakimi (Inter), Georginio Wijnaldum (Liverpool), Sergio Ramos (Real Madrid), Gianluigi Donnarumma (AC Milan), Danilo (Porto, loan made permanent)
Out: Mitchel Bakker (Leverkusen), Kays Ruiz-Atil (Barcelona), Alphonse Areola (West Ham, loan), Marcin Bulka (Nice, loan), Timothée Pembélé (Bordeaux, loan)
Porto
In: Pepê (Grémio), Fábio Cardoso (Santa Clara), Bruno Costa (Portimonense)
Out: Moussa Marega (Al Hilal), Mamadou Loum (Deportivo Alavés, loan)
Real Madrid
In: David Alaba (Bayern)
Out: Sergio Ramos (Paris Saint-Germain), Diego Altube (Fuenlabrada, loan), Brahim Díaz (AC Milan, loan), Víctor Chust (Cádiz, loan), Takefusa Kubo (Mallorca, loan), Raphaël Varane (Man. United)
Sevilla
In: Marko Dmitrović (Eibar, free), Erik Lamela (Tottenham), Gonzalo Montiel (River Plate), Ludwig Augustinsson (Werder Bremen)
Out: Tomáš Vaclík (Olympiacos), Franco Vázquez (Parma), Sergio Escudero (released), Juan Soriano (Tenerife), Aleix Vidal (released), Guilherme Arana (Atlético Mineiro), Juan Berrocal (Sporting Gijón, loan), Bryan Gil (Tottenham), Sergi Gómez (Espanyol), Rony Lopes (Olympiacos, loan)
Sporting CP
In: Rúben Vinagre (Wolves, loan), Ricardo Esgaio (Braga), José Marsà (Barcelona), Manuel Ugarte (Famalicão)
Out: João Pereira (retired), Tomás Silva (Vizela), Eduardo Quaresma (Tondela, loan), Antunes (Paços de Ferreira), Valentin Rosier (Sporting CP, loan extension), Lumor (Aris), Luís Maximiano (Granada)
Villarreal
In: Aïssa Mandi (Real Betis), Juan Foyth (Tottenham, loan made permanent), Boulaye Dia (Reims)
Out: Carlos Bacca (Granada), Jaume Costa (released), Miguelón (Espanyol), Xavi Quintanillà (Leganés, loan), Ivan Martín (Alavés, loan), Ramiro Funes Mori (Al-Nassr)
Wolfsburg
In: Aster Vranckx (Mechelen), Maximilian Philipp (Dynamo Moskva), Lukas Nmecha (Manchester City), Sebastiaan Bornauw (Köln)
Out: Felix Klaus (Düsseldorf), Lino Kasten (St. Pölten), Tim Siersleben (Heidenheim), Hong Yun-sang (St. Pölten), Jeffrey Bruma (released), João Victor ( Al-Jazira)
Zenit
In: Dmitri Chistyakov (Rostov, loan made permanent), Claudinho (Bragantino)
Out: Andrey Lunev (Leverkusen), Sebastian Driussi (released)
