The former Real Betis player has only spent a total of 32 minutes on the pitch out of a total eight competitive fixtures that 'Los Blancos' have played this season.
Ceballos has had to come off the bench to earn every one of those minutes as he is yet to start for Zidane's side.
Against Real Sociedad, Ceballos was used as an 85th minute substitute to replace Marco Asensio.
Before Sunday's game, Mayoral had accumulated the least minutes under Zidane, but his place in the starting XI saw the young striker leapfrog his teammate in the amount of minutes played.
Reports claim that Ceballos is holding out and wants to fight for his place at the Bernabeu but, gradually, his patience wearing thin, especially when he rejected the opportunity to join Barcelona in favour of Madrid for promised game time...