Juventus have signed a five-year-deal with Ajax defender Matthijs de Ligt, the club’s official website reported.
He will earn 12 million euros per year.
The amount of transfer was 75 million euros. Juventus said the fee was "payable in five financial years" with "additional costs of 10.5m euros (£9m)".
During the last season, De Ligt scored seven goals and made four assists in 55 appearances.