Gossip: Man Utd to sell De Gea if they sign Donnarumma Aug 19, 2017 Barcelona offer for Coutinho includes £39m in add-ons, Chelsea and Atletcio £20m apart on Costa, Man Untd will sell De Gea if they can sign Donnarumma, plus more. Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus