Juventus
Signings: Douglas Costa (loan), Rodrigo Bentacur (£8m), Medhi Benatia (£15.2m) - Exits: Dani Alves (free), Neto (£6.2m), Leonardo Bonucci (£35m)
AC Milan
Signings: Hakan Calhanoglu (£17.5m), Andre Silva (£32.7m), Andrea Conti (£21.25m), Mateo Musacchio (£15.3m), Ricardo Rodriguez (£15m), Lucas Biglia (£14.45m), Antonio Donnarumma (£1.28m), Leonardo Bonucci (£35m) - Exits: Gerard Deulofeu (back from loan), Juraj Kucka (£4.25m), Diego Lopez (£1m), Luca Vido (£1m), Matteo Pessina (£1m)
Barcelona
Signings: Nelson Semedo (£26m), Gerard Deulofeu (£10m), Marlon (£4.25m) - Exits: Cristian Tello (£3.4m), Jordi Masip (free), Jeremy Mathieu (free)
Real Madrid
Signings: Theo Hernandez (£22.8m), Dani Ceballos (£15m) - Exits: Pepe (free), James Rodriguez (loan), Mariano (£6.8m), Diego Llorente (£5.1m), Burgui (£2.55m)
Bayern Munich
Signings: Corentin Tolisso (£35.2m), Kingsley Coman (£18.7m), Niklas Sule (£17m), Sebastian Rudy (free), Serge Gnabry (£6.8m), James Rodriguez (loan) - Exits: Xabi Alonso (retired), Philipp Lahm (retired), Douglas Costa (loan), Medhi Benatia (£15.2m)
Monaco
Signings: Youri Tielemans (£21.63m), Terence Kongolo (£11.4m) - Exits: Bernardo Silva (£42.5m), Tiemoue Bakayoko (£34m), Valere Germain (£6.8m), Nabil Dirar (£3.83m)