Manchester City want to keep hold of Ederson this month but have Gianluigi Donnarumma in their sights were the Brazilian to depart.
Galatasaray have been interested in the 31-year-old and are believed to be ready to make an approach.
City insist that there has been no contact from any potential suitors, with Pep Guardiola hopeful that his No 1 stays for the final year of his contract.
Donnarumma's days at Paris Saint-Germain are numbered after being jettisoned by Luis Enrique, despite playing a crucial role in their run to winning the Champions League last season.