De Ligt became Juve's seventh signing of this transfer window following the Serie A giants' acquisitions of Aaron Ramsey, Adrien Rabiot, Gianluigi Buffon, Luca Pellegrini, Merih Demiral and Cristian Romero.
Click through the mini-gallery above to see the 10 most expensive teenagers of all time, as per the Daily Mail!
After joining the Italian giants in a deal believed to be worth €75 million (R1.2 billion), the 2018 Golden Boy commented on his decision to pen a five-year deal with Juve, citing his admiration for a number of Serie A legends.
Read: Juve beat Barca to De Ligt signing
"I have been fascinated by the Italian way of defending from an early age," he told Ajax Amsterdam's official website.
"Many of my idols from the past are also Italians, such as (Paolo) Maldini, (Franco) Baresi, (Alessandro) Nesta, (Fabio) Cannavaro and (Gaetano) Scirea. When you talk about defenders, then you soon talk about those names.
"I actually fell in love with the Italian way of defending, and I made a choice based on that."
The highly-rated Netherlands international's move to Turin sees him move into third position in the ranking for the world's most expensive teenagers of all time.