 The following two top flight campaigns combined, he only missed three matches.Adán returned to the Spanish capital on 10 July 2018, with the 31-year-old joining Atlético Madrid on a two-year contract.Used only in domestic cup games, he did not debut in the league until the last game of the season when he stood in for the injured Jan Oblak for a 2–2 draw at Levante UD on 18 May 2019.