He was diagnosed with pancreatic cancer in 2017 but after saying in April 2020 that he had been given the all-clear, he was re-diagnosed in 2021.
Gianluca Vialli, former Italy striker, dies at 58
Gianluca Vialli, former Italy, Juventus and Chelsea striker, dies aged 58
Gianluca Vialli dead: Former Italy, Chelsea and Juventus striker dies aged 58
Gianluca Vialli, former Italy striker, dies at 58
Gianluca Vialli: Former Chelsea, Juventus, Sampdoria and Italy striker dies aged 58 - BBC Sport
Ex-Italy, Chelsea Star, Gianluca Vialli, Dies at 58 - TheBoss Newspaper
Gianluca Vialli, former Italy, Juventus and Chelsea striker, dies aged 58, Gianluca Vialli
Former Italy, Juventus and Chelsea striker Gianluca Vialli dies aged 58
Gianluca Vialli: Former Chelsea, Juventus, Sampdoria and Italy striker dies aged 58 - BBC Sport