On 26 May 2021, he played in the 2021 UEFA Europa League Final, to become the youngest Spanish player to start a major European final, aged 18 years and 218 days, breaking the previous record of Iker Casillas in the 2000 UEFA Champions League Final, aged 19 years and 4 days. He also became the youngest player to win the competition, eclipsing the record set by Robin van Persie in the 2002 UEFA Cup Final.