The 36-year-old Portugal international, who has one-year left on his contract, flew back to northern Italy on Sunday night.
Browsing: Matthijs de Ligt
The Dutch were knocked out at the last-16 stage by the Czech Republic on Sunday.
The Dutch national had his shoulder stabilised in a Rome clinic on his 21st birthday, after he had played with pain in the joint in the last part of the season.
Cristiano Ronaldo stretched his scoring streak to nine consecutive league games with a penalty double on Sunday as Juventus bounced back from last weekend’s defeat to Napoli with a 3-0 win over Fiorentina.
Cristiano Ronaldo is earning £28 million-a-year in wages at Juventus after taxes, three times what Matthijs de Ligt gets as the second highest earner in Serie A, according to Gazzetta dello Sport.
Juventus announced the signing of the 19-year-old on Thursday, landing one of the most sought-after young players in world soccer from Ajax Amsterdam for 75 million euros (67 million pounds).
“It’s the news all Bianconeri fans have been waiting to hear all summer: Matthijs de Ligt is officially a Juventus player!” the club said on its website.