Raiola was operated on in the San Raffaello Hospital Hospital last January.
The “Gazzetta Dello Sport” reported at the time that he had to be under constant observation.
He suffered from pancreas.
Raiola has been working as a consultant since the 1980s.
His clients included Dennis Bergkamp, Robinho, Mario Balotelli, Zlatan Ibrahimovic, Paul Pogba, Gianluigi Donnarumma and BVB striker Erling Haaland.
The Italian emigrated to the Netherlands as a child.
He made a name for himself when he threaded the Bergkamp change from Ajax Amsterdam to Inter Milan in 1993.
In 2020, “Forbes” quantified his assets at around 80 million euros.
Raiola was only 54 years old.