Antonin Kinsky, a Czech goalkeeper, cost approximately £12 million to join Tottenham.
Kinsky, who left Slavia Prague to join, is Ange Postecoglou's first acquisition of the January transfer window.
Both Sunday's FA Cup third round match at Tamworth and Wednesday's Carabao Cup semi-final first leg against Liverpool could see the 21-year-old make his debut.
their seem to be a lot of competition currently as the newly signed goalie will have to compete with fraser forster and the newly promoted Brandon Austin for the top spot.
While Kinsky played for another club in the Europa League, he will be eligible to compete in the knockout stages due to a change in Uefa rules.