The capital outfit travel to the Mestalla currently holding a three-point lead at the top of the table, but they also have a Champions League semi-final second leg against Chelsea to prepare for next week.
"Right now we have to think about the game ahead. We're prepared the best possible team imaginable, who are in need to getting into the Europa League places," he told reporters.
"All of their players have a very high level. We know how difficult this match will be and we can't get off our current path. We are preparing ourselves for Sunday and after that we'll prepare for the next one, it's not difficult to motivate the team in times like this.
"This is another final. Normally we always go out to try and win, apart from the changes, to maintain competitiveness and for this match we won't change anything. The only thing I care about is Valencia, Valencia and Valencia. Then there will be three days until the next game."
Atletico were held to a goalless draw by Chelsea in the first leg of their Champions League semi-final tie last week.