The Chelsea manager has insisted that the Argentine will win the UCL for any top four EPL club.
Messi inspired Barcelona to a 3-0 win over Bayern Munich in the first leg of their UCL semifinals fixture.
“I think this guy makes the gap by himself,” Mourinho told reporters. “You have doubts that Man City with Messi can win the Champions League? Or Arsenal with Messi can win the Champions League? Or Chelsea with Messi can win the Champions League? Or Man United with Messi can win the Champions League? Don’t you think? I think.
“One thing is a team; another thing is a team with Messi. It is a different story.
“He played a Champions League final with [Pep] Guardiola, he is normally going to play in this season’s Champions League final with Luis Enrique,
“If, one day, he plays for Anthony, Anthony will go to a Champions League final with him. When people analyse teams, you have to remember that this boy makes everything different.”