After completing his loan with the LaLiga outfit, Estupinan has indicated he won't be returning next season.
Estupinan posted to social media: "I want to say goodbye to this club, thanking them for the opportunity they gave me to progress to the highest level and allow me to play before fans who never throw in the towel and with an unmatched group of people.
"It has been an unforgettable season. The team has more than fulfilled the objective and everything is the result of the enormous work of this great family. And I say family because they have welcomed me from the first day, as if it were my home.
"I will persist to achieve my goals and reach as high as possible, but I will never forget this year. I will always carry you in my memory and I will remember, full of happiness, what it means to wear these colours and feel El Sadar's encouragement."
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