 In 2015, he had a successful trial with Bilbao-based youth club Danok Bat CF; it took until the latter part of his season there to establish himself in the team in the 'Juvenil' league, but by its end he had drawn interest from senior clubs.On 3 June 2016, after finishing his formation, Larrazabal signed for newly-promoted Segunda División B side Zamudio SD.He made his senior debut on 27 August 2016, playing the entire second half in a 1–3 home loss to Bilbao Athletic, and scored his first goal on 10 December by netting the last in a 3–1 home defeat of CD Toledo.