The Old Trafford No1 almost joined his boyhood club two summers ago but a dodgy fax machine allegedly scuppered the deal and he has given excellent service since.
But it seems the transfer is inevitable and Sport claims United have now named their price.
Madrid chief Florentino Perez is refusing to give up on the 27-year-old and goalkeeping legends like Gigi Buffon have proved 'keepers can go on into their 40s, proving there is no rush.
The Premier League ace is ready to demand at least £375,000-a-week to sign a new United contract. His current £210,000-a-week contract runs out at the end of next season, with the option of a further one-year extension.