The Chelsea boss refused to make too much of a comment on his recent displays but insisted he is not bothered if he or Cahill make the final World Cup squads.
Villarreal midfielder Rodri and Valencia captain Dani Parejo are included for the first time, and Lopetegui has left the door open for the likes of Morata to return.
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It is a great experience being in the film and to be with Aamir , Mr Bachchan , Katrina Kaif and Fatima (Sana Sheikh). The actor took a day's break from the shooting to celebrate with his family. "I am very happy the way he is".
Morata has been particularly disappointing of late, with the striker having not scored a goal since facing Brighton and Hove Albion in December. I'm certain Morata is going to have an extraordinary end to the season [and] that he is going to have a starring role for his team.
With the transfer window only a few months away, Atletico Madrid reportedly made an offer for striker Alvaro Morata in an attempt to replace Antoine Griezmann, which the Spanish striker duly rejected. "We are thrilled to be able to play against two great teams, the 2014 World Cup finalists".
Lopetegui said: "Diego, when he was playing, was part of our game, then he stopped playing and stopped coming", Lopetegui said. "It just gives him an option to compete for a spot".
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Forwards: Lucas Vazquez (Real Madrid), Diego Costa (Atletico de Madrid), Rodrigo Moreno (Valencia) and Iago Aspas (Celta de Vigo).
Also returning to the squad is Chelsea centre-back Cesar Azpilicueta, who was left out of Spain's previous two friendlies in November.
Real Madrid right-back Dani Carvajal has revealed his belief that Alvaro Morata will return to the Santiago Bernabeu in the not too distant future.
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He started on the bench in Chelsea's midweek defeat at Barcelona.