"The membership is getting ready for the Clasico with full normality and we inform our followers to return with their household and buddies".
Midfielder Casemiro is one booking away from suspension and Zidane confirmed he would discuss the Brazil international's involvement in Sunday night's late fixture with his squad ahead of making a decision.
Yet while sections of the Spanish media bemoaned the consistency of the officials, Valverde was more measured in his post-match comments.
Barcelona president Josep Maria Bartomeu called for calm on Thursday and insisted the match would not be postponed again but, with families and friends in the city and likely to attend the game, it would be understandable if his players' minds were not fully on football this weekend.
Real Madrid-loanee Martin Ødegaard is finally showing why there was a bidding war for him when he was only 15-years old.
That is four hours before kick-off in the biggest match of the LaLiga season so far, which was moved from October 26 to its December date following civil unrest in Catalonia.
He said: "I will not answer you (about the squad)". I prefer to keep things this way. "The next game is always the most important one, and it's vital that you have all best players available for it". "There are two or three that are out, but in the end I have others and I will have everyone in all three games".
Barcelona, which had won nine of its last 10 league games, was outplayed during most of the match at Reale Arena, with fourth-place Sociedad creating most of the scoring chances and restraining Barcelona.
The Catalan giants now sit third in the league, just one point behind Real, who have one game extra to play.