Lander Astiazaran

Born in San Sebastián, Gipuzkoa, Basque Country, Astiazaran joined Real Sociedad's youth sides in 2018, from lowly Ostadar Saiarre KT. He made his senior debut with the C-team on 13 January 2024, coming on as a late substitute in a 0–0 Segunda Federación away draw against CD Valle de Egüés, and scored his first senior goal with the side on 1 December, in a 2–1 away win over Deportivo Aragón. Astiazaran started to feature with the reserves during the 2024–25 season, contributing with one goal in 16 appearances overall as the club achieved promotion to Segunda División. He made his professional debut on 17 August 2025, replacing Gorka Gorosabel late into a 1–0 home win over Real Zaragoza. Astiazaran scored his first professional goal on 7 September 2025, netting the B's first in a 3–3 home draw against Cádiz CF.

As of match played 20 December 2025