The Italy international is enjoying a superb season with the Serie A club and has already made 233 first team appearances at the age of 21.
Donnarumma is expected to be a fixture between the sticks for the Italian national team for years to come and Fichajes reports that United want to bring him to Old Trafford.
The goalkeeper’s contract is set to expire at the end of the season and a new deal is yet to be agreed with the Italian giants.
United will try to convince the youngster to join them on a free transfer at the end of the season, paving the way for De Gea’s departure.
The Spaniard has come in for criticism in recent seasons and will be put up for sale with two years remaining on his contract.
However, his departure depends on United agreeing a deal to bring in Donnarumma.
This summer will mark a decade for the Spain international in Manchester and he has featured regularly this season, keeping nine clean sheets in 28 appearances in all competitions.
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