With a number of top clubs from around Europe interested in the Genoa defender - including Bayern Munich - Spurs will hope their latest recruit from Serie A for a fee of around 25m euros will boost their top-four prospects.
But who is the 21-year-old who was playing Serie B football just a few months ago, and why has he opted for Tottenham over some of Europe's biggest clubs?
The son of Svetlana and Dan Draguu0219in, former Romania internationals in basketball and volleyball, there are two things you will hear mentioned whenever someone is asked about Dragusin in Italy.