Josep Martínez

Las Palmas

Born in Alzira, Valencia, Martínez joined Barcelona's La Masia in July 2015, from his hometown's Alzira. On 19 July 2017, after finishing his formation, he signed for Las Palmas and was assigned to the reserves in Segunda División B. Martínez made his senior debut on 20 August 2017, starting in a 1–1 home draw against Melilla. He finished the campaign as a starter, as his side avoided relegation. Martínez made his first team debut on 28 April 2019, playing the full 90 minutes of a 4–1 home routing of Lugo in the Segunda División championship. On 17 June, he was definitely promoted to the main squad.

RB Leipzig

On 22 January 2020, RB Leipzig reached an agreement with Las Palmas for the transfer of Martínez, effective as of 1 July. He agreed to a contract until 2024 with his new club.

Genoa

On 29 June 2022, Martínez was loaned to Genoa in Italy for the Serie B 2022–23 season. On 9 June 2023, since the inclusion of a "sell-out" right following the promotion to Serie A, Martínez was bought by Genoa.

Inter Milan

On 9 July 2024, Martínez signed for fellow Serie A side Inter Milan on a permanent basis. He made his debut on 19 December 2024 in the round of 16 of the Coppa Italia, keeping a clean sheet in a 2–0 victory against Udinese. After first-choice goalkeeper Yann Sommer sustained a fractured thumb in training, Martínez made his Serie A debut for the club on 22 February 2025, securing a 1–0 victory against his former team,…

Due to the isolation of some national team players following the positive COVID-19 test of Sergio Busquets, Spain's under-21 squad were called up for the international friendly against Lithuania on 8 June 2021. Martínez made his senior debut in the match.

Club

As of match played 8 September 2026

International

As of match played 8 June 2021

RB Leipzig

DFB-Pokal: 2021–22 Inter Milan

Serie A: 2025–26 Coppa Italia: 2025–26