[4] He made his first team debut on 20 December, coming on as a second-half substitute for Carlos Caballero in a 5–0 home thrashing of CF Reus Deportiu in the Segunda División.
[7] On 25 January 2019, Aguado signed a four-and-a-half-year contract with La Liga side Real Valladolid, being immediately loaned back to Córdoba until the end of the season.
[8] Returning to the Blanquivioletas for the 2019–20 campaign, he made his debut for the club on 18 December by starting and scoring a brace in a 3–0 Copa del Rey away defeat of Tolosa CF.
[11] Aguado featured rarely at Fuenla before returning to Valladolid in July 2021, where he became a regular starter under manager Pacheta as the club achieved promotion to the top tier.
Aguado scored his first goal in the main category of Spanish football on 5 March 2023, netting his team's second in a 2–1 home win over RCD Espanyol.