New Chelsea signing appears to have no trouble settling into the club.
Buying a number of players at once is not always a recipe for success, as Tottenham found to their cost last season.
Yet Chelsea's trio of Diego Costa, Cesc Fabregas and Filipe Luis are as close to a surefire bet as the club can make to become a hit at the club.
The reason for that is the £78 million trio all know each other; Costa and Luis particularly well, as teammates in Atletico Madrid's title winning side last season.
Costa and Fabregas likewise are teammates for Spain, while Fabregas will be familiar to Luis from playing against him in La Liga.
All arriving for the club's pre-season tour at once, they appear to be getting on famously, as Luis' selfie he posted on Twitter from their camp in Austria showed.
Also present with Brazilian defender Luis was Costa and Fabregas' international colleague Fernando Torres, although it was not quite the entire Spanish contingent at the club, with Oriol Romeu missing.
As the La Liga trio settle in, bonding with players who have been at the club a while will be key. Mourinho's early transfer business is giving the club important preparation time ahead of the season, and these few weeks can be crucial to helping the Blues get off to a fast start in the Premier League.
Will Luis become a starter at Chelsea or is Azpilicueta a better choice?