campaigns, he returned to Real Sociedad, who immediately loaned him to another team in the third tier, neighbouring SD Eibar. In early 2014, Berchiche renewed his contract with the Txuriurdin until 2016. In June, after helping Eibar obtain promotion to the top flight for the first time in its history, he was selected by the Liga Nacional de Fútbol Profesional to its starting XI. Berchiche returned to Real Sociedad in August 2014, being assigned to the main squad. He subsequently became the starter, replacing longtime incumbent Alberto de la Bella. Paris Saint-Germain On 7 July 2017, Berchiche signed a four-year contract with Paris Saint-Germain FC. He made his Ligue 1 debut on 8 September, playing the full 90 minutes in the 5–1 away win against FC Metz. His first goal in the competition arrived on 20 December, in a 3–1 home victory over Stade Malherbe Caen. Berchiche played 32 competitive matches in his only season, winning three trophies including the national championship and the Coupe de France, defeating amateurs Les Herbiers VF 2–0 in the final of the latter tournament. Athletic Bilbao On 2 July 2018, PSG announced they had agreed a deal with Athletic Bilbao for the permanent transfer of Berchiche (an initial fee of €19 million, with a further €6 million in possible add-ons). The contract was announced as running through 2022, with a release clause of €100 million. He scored in only his second league appearance on 27 August, helping the hosts draw 2–2 against SD Huesca. On 5 March 2020, late in the semi-final second leg of the Copa del Rey against Granada CF, Berchiche scored and enabled his team to progress on the away goals rule. In addition to the decisive game, which was delayed until April 2021 by the COVID-19 pandemic in Spain, they also qualified for the 2020–21 Supercopa de España which they won by beating FC Barcelona; however, he was unable to take part in those matches due to a thigh injury sustained against the same opposition a few weeks earlier. He recovered by the time the postponed 2020 final did take place, but his side lost to his previous employers Real Sociedad. Athletic also reached the 2021 Copa del Rey Final, played two weeks after the 2020 edition, only to be defeated again, 4–0 by Barcelona. That proved to be the player's last appearance of the campaign due to a persistent