Frenkie De Jong: Ajax - FC Barcelona / 90 million euros (2019-20)
Virgil Van Dijk: Southampton - Liverpool / 85 million euros (2017-18)
Marc Overmars: Arsenal - FC Barcelona / 40 million euros (2000-01)
Arjen Robben: Chelsea - Real Madrid / 36 million euros (2007-08)
Memphis Depay: PSV - Manchester United / 34 million euros (2015-16)
Ajax's biggest sales:
Frenkie De Jong: FC Barcelona / 90 million euros (2019-20)
Davinson Sánchez: Tottenham / 40 million euros (2017-18)
Arel Milik: Napoli / 32 million euros (2016-17)
Klaas-Jan Huntelaar: Real Madrid / 27 million euros (2008-09), Davy Klaasen: Everton / 27 million euros (2007-08), Wesley Sneijder: Real Madrid / 27 million euros (2007-08)
Luis Suárez: Liverpool / 26,5 million euros (2010-11)..