Diouf, who became the first black president of a first-tier European club when he took the position at Marseille in 2005, was being treated in a hospital in Senegal, the country of his birth, after contracting the disease.
READ ALSO – Man United Beat Barcelona, thrashed by Marseille
Confirming his death, the French club wrote on Twitter: “Olympique de Marseille learned with great sadness of the death of Pape Diouf. Pape will remain forever in the hearts of Marseillais as one of the great craftsmen of the history of the club. Our condolences to his family and loved ones.”