Former PSG and Inter Milan chief Leonardo has spoken of working with Jose Mourinho.
The pair worked together at Inter.
"Being Mourinho is not easy. This is his way of being, it is his personality that is very strong," Leonardo said of the sacked Chelsea manager.
"This is his methodology, he believes in it a lot. When things don't happen, it may be less easy to manage for him because he is Mourinho. He is phenomenal, he will remain forever. One of the three coaches who have made the most in the history of football.
"He must be in the game, Mourinho's football is no less fun."
