He made his first-team debut on 30 November, coming on as a half-time substitute in a 7–0 away routing of CD Laguna de Tenerife in the season's Copa del Rey.
[9] Zaragoza made his debut in the top tier of Spanish football on 14 August 2023, playing the last 9 minutes in a 3–1 away loss to Atlético Madrid.
[13] On 6 December 2023, Bundesliga club Bayern Munich signed Zaragoza, who was set to join them the following summer at the start of the 2024–25 season.
[15] However, the player joined the club earlier, on 1 February 2024, to replace the injured Kingsley Coman, on a loan deal, for which Bayern paid around €4,000,000 as compensation to Granada.
[16][17] On 9 August 2024, Zaragoza went on loan to La Liga club CA Osasuna for the 2024–25 season without an option to purchase in a deal worth €250,000.