Jazz, these players are not world class, but they are the next logical step for Spurs.
If you look at the players they have acquired in the last two seasons, they are slowly improving quality
Loris, Vertonghen, Paulinho, Dembele and Soldado are better than their predecessors. Guys like Siggurdson, Capoue and Holtby are also potentially upgrades, assuming Bale stays.
Contrast with our club where we have replaced van Persie with Giroud and Fabregas with Wilshere, etc.