According to Dean Jones from Bleacher Report, Zlatan Ibrahimovic waited some months in order to see whether he can again become part of the team. He realized, that Mourinho would not lean on him and then decided to quit with the club, where he scored 29 goals for his first complete season.
https://twitter.com/DeanJonesBR/status/976848087187623936
Sweden international will complete a move to Los Angeles Galaxy from MLS.