Guardiola has been linked with Juve for next season.
And Agnelli conceded: "It is heresy to say that you do not think of Guardiola, but you have to evaluate the moment you are in, like all professionals.
"If someone is happy where he is, it is difficult to move.
"We are very pleased with (Maurizio) Sarri. Things are created for three years, the strength of his ideas will continue in time, and that is our priority."