Real Madrid are beginning to think that not only is Casemiro's departure a possibility, it's also likely.
Officially, club directors are keeping quiet over the situation.
However, there is a feeling that the Brazilian midfielder has already made up his mind and will let Madrid know about it, even before Manchester United make a concrete offer to sign him.
Since MARCA uncovered the situation surrounding Casemiro, president Florentino Perez hasn't met with the player.
That's because both know what the other is thinking, and with each passing hour, a change of scenery grows increasingly likely.
Casemiro knows Real Madrid won't turn down an acceptable offer, but he's also aware that he has to be the one that initiates an exit.
How much would Real Madrid let Casemiro leave for? While there is no fixed figure, it's believed 60 million euros would be a starting point.
The Spanish side know United have the economic means to satisfy their demands, and they won't accept a cut price fee just to help the midfielder move on.
While Casemiro ponders his future, he continues to work with his teammates and coaching staff.
However, the uncertainty over his future is weighing on the dressing room.
As MARCA have reported, the Brazilian didn't speak with Carlo Ancelotti prior to the news of United's interest emerged in the newspapers.
The Italian considers Casemiro a key figure in his side, but he knows that this is football, and he will have to work with what is at his disposal.
Ancelotti didn't look favourably on Xabi Alonso's departure just two days before the end of the transfer window back in 2014, but he made due with the situation.
At this time, Real Madrid aren't looking for a replacement.
Even without the Brazilian, there are six midfielders in the squad.
However, if Marco Asensio and Mariano were to leave, that would change the situation.