All the latest ins and outs for the sides confirmed in the 2019/20 group stage.

Latest major transfers
Joachim Andersen (Sampdoria to Lyon)
Youssouf Koné (Lille to Lyon)
Aleksei Sutormin (Rubin to Zenit)
Etrit Berisha (Atalanta to SPAL, loan)
Marcin Bulka (Chelsea to Paris)

Club by club

Atalanta

In: Luis Muriel (Sevilla)
Out: Etrit Berisha (SPAL, loan), Federico Mattiello (Cagliari, loan)

Atlético Madrid

In: Felipe (Porto), Nicolás Ibáñez (Atlético San Luis), Marcos Llorente (Real Madrid), Renan Lodi (Athletico Paranaense), Héctor Herrera (Porto), João Félix (Benfica), Álvaro Morata (Chelsea, loan made permanent)
Out: Lucas Hernández (Bayern), Diego Godín (Inter), Juanfran (released), Axel Werner (Atlético San Luis, loan), Luciano Vietto (Sporting CP), Gelson Martins (Monaco), Rodri (Man. City)

Barcelona

In: Frenkie de Jong (Ajax), Emerson (Atlético Mineiro), Neto (Valencia)
Out: Mateu Morey (Dortmund), Marc Cardona (Osasuna), André Gomes (Everton), Jasper Cillessen (Valencia), Denis Suárez (Celta Vigo)

Bayer Leverkusen

In: Kerem Demirbay (Hoffenheim), Moussa Diaby (Paris), Daley Sinkgraven (Ajax)
Out: Thorsten Kirschbaum (VVV), Julian Brandt (Dortmund)


Bayern München

In: Lucas Hernández (Atlético Madrid), Benjamin Pavard (Stuttgart), Jann-Fiete Arp (Hamburg)
Out: Marco Friedl (Bremen), Jonathan Meier (Mainz), Franck Ribéry (released), Arjen Robben (released), Rafinha (released), Mats Hummels (Dortmund)

Benfica

In: Jhonder Cádiz (Setúbal), Caio Lucas (al-Ain), Chiquinho (Moreirense), Raúl de Tomás (Real Madrid)
Out: Raúl Jiménez (Wolves), Bruno Varela (Ajax, loan), Diogo Gonçalves (Famalicão, loan), João Félix (Atlético), Filip Krovinović (West Brom, loan), Alfa Semedo (Nottingham Forest, loan), Yuri Ribeiro (Nottingham Forest), Cristian Lema (Newell’s Old Boys)

Borussia Dortmund

In: Julian Brandt (Leverkusen), Nico Schulz (Hoffenheim), Thorgan Hazard (Mönchengladbach), Mateu Morey (Barcelona), Mats Hummels (Bayern)
Out: Alexander Isak (Real Sociedad), Jeremy Toljan (Sassuolo, loan)

Chelsea

In: Mateo Kovačić (Real Madrid)
Out: Eduardo (Braga), Eden Hazard (Real Madrid), Kylian Hazard (Cercle Brugge), Ola Aina (Torino), Gary Cahill (released), Rob Green (retired), Álvaro Morata (Atlético Madrid, loan made permanent), Marcin Bulka (Paris Saint-Germain)

Galatasaray

In: Ryan Babel (Fulham), Laventine Ozornwafor (Enyimba Aba), Adem Büyük (Yeni Malatyaspor), Şener Özbayraklı (Fenerbahçe), Jimmy Durmaz (Toulouse)
Out: Eren Derdiyok (released, Göztepe), Sinan Gümüş (Genoa)

Genk

In: Theo Bongonda (Zulte Waregem), Benjamin Nygren (IFK Göteborg), Stephen Odey (Zürich)
Out: Jakub Brabec (Viktoria Plzeň), Ibrahima Seck (Zulte Waregem), Marcus Ingvartsen (Union Berlin), Leandro Trossard (Brighton)

Internazionale Milano

In: Matteo Politano (Sassuolo), Eddie Salcedo (Genoa), Gabriel Brazão (Parma), Diego Godín (Atlético), Valentino Lazaro (Hertha), Stefano Sensi (Sassuolo)
Out: Cristian Ansaldi (Torino), Zinho Vanheusden (Standard Liège), Andrea Pinamonti (Genoa)

Juventus

In: Aaron Ramsey (Arsenal), Luca Pellegrini (Roma), Adrien Rabiot (Paris), Gianluigi Buffon (Paris), Merih Demiral (Sassuolo)
Out: Emil Audero (Sampdoria), Alberto Cerri (Cagliari), Riccardo Orsolini (Bologna), Andrea Barzagli (retired), Leonardo Spinazzola (Roma)

RB Leipzig

In: Hannes Wolf (Salzburg), Luan Cândido (Palmeiras)
Out: Bruma (PSV Eindhoven)

Liverpool

In: none
Out: Daniel Sturridge (released), Alberto Moreno (released), Adam Bogdan (released), Danny Ings (Southampton), Sheyi Ojo (Rangers, loan)

Lokomotiv Moskva

In: Dmitri Zhivoglyadov (Ufa), Murilo Cerqueira (Cruzeiro), Grzegorz Krychowiak (Paris)
Out: Vitaliy Denisov (released), Dmitri Tarasov (released), Khvicha Kvaratskhelia (Rubin)

LOSC Lille

In: Timothy Weah (Paris), Reinildo (Belenenses), Saad Agouzoul (Chabab Mohammedia)
Out: Anwar El Ghazi (Aston Villa), Thiago Mendes (Lyon), Youssouf Koné (Lyon)

Lyon

In: Ciprian Tătăruşanu (Nantes), Jean Lucas (Flamengo), Thiago Mendes (Lille), Youssouf Koné (Lille), Joachim Andersen (Sampdoria)
Out: Ferland Mendy (Real Madrid), Jordan Ferri (Montpellier), Christopher Martins Pereira (Young Boys), Elisha Owusu (Gent), Mathieu Gorgelin (Le Havre), Tanguy Ndombele (Tottenham)

Manchester City

In: Zack Steffen (Columbus Crew), Angeliño (PSV), Rodri (Atlético)
Out: none

Napoli

In: Giovanni Di Lorenzo (Empoli), David Ospina (Arsenal), Kostas Manolas (Roma)
Out: Roberto Insigne (Benevento), Amadou Diawara (Roma), Raúl Albiol (Villarreal)

Paris Saint-Germain

In: Pablo Sarabia (Sevilla), Ander Herrera (Manchester United), Marcin Bulka (Chelsea), Mitchel Bakker (Ajax)
Out: Gianluigi Button (Juventus), Moussa Diaby (Leverkusen), Dani Alves (released), Timothy Weah (LOSC Lille), Adrien Rabiot (Juventus), Grzegorz Krychowiak (Lokomotiv Moskva, loan made permanent)

Real Madrid

In: Éder Militão (Porto), Eden Hazard (Chelsea), Ferland Mendy (Lyon), Luka Jović (Eintracht)
Out: Mateo Kovačić (Chelsea), Marcos Llorente (Atlético Madrid), Raúl de Tomás (Benfica), Sergio Reguilón (Sevilla, loan), Martin Ødegaard (Real Sociedad, loan), Theo Hernández (AC Milan), Luca Zidane (Racing, loan)

Salzburg

In: none
Out: Munas Dabbur (Sevilla), Hannes Wolf (RB Leipzig), Stefan Lainer (Mönchengladbach), Xaver Schlager (Wolfsburg), David Atanga (Holstein Kiel), Mathias Honsak (Darmstadt), Asger Sørensen (Nürnberg)

Shakhtar Donetsk

In: none
Out: Ivan Petryak (Vidi), Oleksandr Zubkov (Ferencváros, loan), Oleg Danchenko (Rubin), Ivan Ordets (Dinamo Moskva), Valeriy Bondarenko (Guimarães, loan), Eduard Sobol (Club Brugge, loan)

Tottenham Hotspur

In: Jack Clarke (Leeds), Tanguy Ndombele (Lyon)
Out: Michel Vorm (released), Jack Clarke (Leeds, loan), Luke Amos (QPR, loan)

Valencia

In: Jorge Sáenz (Tenerife), Manu Vallejo (Cádiz), Jasper Cillessen (Barcelona), Denis Cheryshev (Villarreal), Jason Remeseiro (Levante)
Out: Neto (Barcelona), Toni Lato (PSV, loan), Aymen Abdennour (Kayserispor)

Zenit

In: Douglas Santos (Hamburg), Aleksei Sutormin (Rubin)
Out: Luís Neto (Sporting), Aleksandr Anyukov (retired), Yuri Lodygin (released), Andrey Panyukov (Ural), Claudio Marchisio (released), Dmitri Poloz (Sochi)