Juventus have completed the €75 million (£68m/$84m) signing of centre-back Matthijs de Ligt from Ajax.
De Ligt agreed personal terms with Juventus last week that will see the defender earn €12m (£11m/$13m) per season - €8m in basic salary with €4m in bonuses.
And the 19-year-old has now finalised his move to Juve, who have seen off competition from a host of Europe's top clubs, including Barcelona, Manchester United and Paris Saint-Germain.
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De Ligt's agent Mino Raiola has claimed that there was an agreement with Ajax for the defender to leave this summer if a suitable offer was made.