Hull City paid around £13 million for his services.
That saw plenty of players moved on by the club including the likes of Nabil Bentaleb, Nacer Chadli and DeAndre Yedlin depart.
Another player who left the club, perhaps surprisingly, was Ryan Mason.
Hull City's Ryan Mason celebrates scoring their first goal
No doubt this has been the best £13 million Spurs have made in recent times.
Mason is a good player, undoubtedly, but that fee is inflated for his talents. This is now being made clear by the fact he cannot get into the Hull City first-team.
Tottenham manager Mauricio Pochettino greets Hull's Ryan Mason
He has not started for Hull since the Middlesbrough game at the start of the month – four games on the bounce – after failing to have an impact at his new team.
Tottenham managed to bag his replacement Victor Wanyama for less money from Southampton and the deal represents some of Pochettino and Daniel levy’s best business in some time.