They have a far greater degree of continuity than we do. They've used the same system for about 5 seasons now and had a lot of players there for multiple years.
Yep and bought players in to fit the system. Its all very consistent.
They struggled last year due to injuries and NES having to go to a back 4 which they wernt used to. Notice they have got a new manager who prefers the same formation too, rather than getting one who has a different style the players would need to adapt to.