Born in Puerto Real, Cádiz, Andalusia, Delgado joined Málaga CF's youth system at the age of 15.

In early 2008, he rejected a new contract and went on trial with Eredivisie club Sparta Rotterdam,[2] finally signing in January 2009[3] but failing to make a single appearance, subsequently returning to his country and joining Real Valladolid, who assigned the player to their reserves.

[8] On 12 June 2012, Delgado signed a two-year contract with Valencia CF, being initially a part of the B-side setup in the third tier.

[9] He made his debut for Mestalla on 26 August against Gimnàstic de Tarragona and, the following month, was called up to train with the main squad by manager Mauricio Pellegrino due to Ricardo Costa's injury;[10] on the 29th, he was an unused substitute for a La Liga game against Real Zaragoza.

[11] Delgado made his competitive debut for the Che on 2 October 2012, playing the full 90 minutes in a 2–0 home defeat of Lille OSC in the group stage of the UEFA Champions League.