Manchester United manager, Jose Mourinho is sweating over the possible departure of first choice goalkeeper, David de Gea.The Spaniard has been strongly linked with a return to Spain with Real Madrid ready to make him the most expensive goalkeeper in the history of football with a mouthwatering five-year deal.Read Also | Premier league side to offload Eagles star back to RussiaDe Gea already agreed to a deal to join the Los Blancos two years ago but the move collapsed on transfer deadline-day due to paperwork.However, reports in Spain has claimed that the Spain international has agreed personal terms with Zinedine Zidane’s side and already played his last game for Manchester United this season in the defeat against Tottenham Hotspurs. Sergio Romero was in goal during the goalless draw against Southampton on Wednesday night and will again be given the nod in next week's Europa League final against Ajax."David is top in the world and obviously we want to keep the top in the world," he told Sky Sports News. "I don't go with [Romero can replace De Gea] 'if he leaves' because I hope he doesn't."We need two top goalkeepers and a top young goalkeeper and this is what we have. David is David and Sergio is Sergio. Spain's national team goalkeeper; Argentina's national team goalkeeper; it's amazing to have it. I'm really happy with both of them."He added: "The first match against LA Galaxy in pre-season in Los Angeles. I hope to play Sergio in the final and hopefully we don't have problems with the keepers."De Gea has kept 75 clean sheets in 200 appearances for Manchester United and named Player of the Year for three consecutive seasons.