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In December 2013, Ezatolahi seemed to be on his way to Brazilian Serie A club Atlético Paranaense, which was rapidly denied by his management. In the first week of December 2013, Rubin Kazan showed concrete interest in Ezatolahi by sending an invitation letter.On 27 August 2014, Ezatolahi signed a one-year contract with Spanish side Atlético Madrid, with an option to extend for four-years following the end of the 2014–15 season. He competed in the 2014–15 División de Honor Juvenil de Fútbol for Atlético Madrid. He started in a 4–2 league debut win over Alcorcón on 29 November 2014.He was also added to Atlético’s 2014–15 UEFA Youth League squad.