The pair exchanged a series of barbed comments during the campaign and even after the Inter Coach left to join Real Madrid, the tension remains.
"Mourinho will not be missed in Serie A," smiled Mazzarri on RAI Sport.
"He is going to lead an important club now. To be honest, I just could not understand his attitude in Italy.
"Of course he won a great deal with Inter, but he has also always had excellent squads at his disposal."