Career
Born in San Sebastián, Gipuzkoa, Zaldúa played his youth football with local Real Sociedad. He made his senior debuts with the reserve side, competing in several Segunda División B seasons with the team Roughly a month later he signed a new deal with the Basque, until 2016.
On 20 May 2014, Zaldúa renewed his link with the Txuri-urdin until 2018, and was definitely promoted to the first-team