It has never been Nagelsmann’s plan to leave.
He’s at Hoffenheim until he goes to Bayern. His wife and child live in Munich and he’s building a house in Munich in preparation for his move there, he’s admitted himself he just isn’t ready for the Bayern Munich job.
I don’t think any amount of money would have gotten him or Hoffenheim to cut ties, he was always just a pie in the sky managerial appointment.
Allegri is different, I could see him getting a bit fatigued with the club and wanting to leave but as they’ve won the double this year it seems that might have reinvigorated him.
The fact of the matter is there just aren’t many top managers available, unless we want Ancelotti. I don’t see Jardim happening because apparently he doesn’t speak English, and I think English is 100% a must for the board.