Reports claim that United have held talks with the Spanish side over a deal worth around £15million.
The Times reports that an agreement over a move is now close.
United boss Sir Alex Ferguson is keen to bring in two goalkeepers in the January transfer window.
The Red Devils have also been keeping tabs on Rangers keeper Allan McGregor, Aalesunds No1 Anders Lindegaard, Bayer Leverkusen’s Rene Adler and Manuel Neuer of Schalke.