On 14 May 2021, Prados renewed his contract until 2025.[4] In June, he was called up by manager Marcelino to make the pre-season with the main squad.[5]
On 19 August 2023, he made his La Liga debut for Athletic in his hometown of Pamplona at El Sadar against Osasuna, replacing Imanol in a 2–0 victory.[8][9] On 1 September, after the departure of Javier Martón, he was registered in the first team squad with the number '24'.[10] After a few months in which he occasionally filled in as a right-back or center-back, in December he made a place for himself in the centre of midfield, with several impressive displays.[11][12][13]
International career
He was an international in various youth categories of the Spanish national team. In 2017, he attended a friendly tournament with the under-16 team coached by Santi Denia.[14][15] He was also an under-18, under-19 and under-20 international.[16][17]