Seems like he's done. If we manage to keep Cuads, add this guy AND Bernadeshi, get Fabinho AND/OR N'nonzi (preferably both while selling Sami), Schick and a RB (could be fabinho, rotating). We'd be golden and can push for another CL final lost.
What they don't have is cohesion. And to be honest with their squad they got far enough.
What our current team needs is a midfielder that can allow our attackers to attack without running themselves to death when tracking back. Someone like Casemiro at Real, I guess N'Zonzi is supposed to be that, no idea if he is actually good enough.