Atletico Madrid midfielder Koke has urged supporters to be patient with new arrival Joao Felix if he struggles next season.
Los Rojiblancos splashed out €126 million (£115 million) on the teenager earlier this summer to sign him from Benfica. Only Neymar, Kylian Mbappe and Philippe Coutinho have ever moved for larger transfer fees.
Per El Pais' Ladislao J. Monino on Saturday (h/t Goal's Matt Dorman), Koke said of Felix: "He has a lot of personality. It's not easy to be 19 and have the pressure of what has been paid for him.