 He made his debuts as a senior with the reserves in the 2013–14 campaign in Tercera División, while still a junior.Initially a fourth-choice goalkeeper at the start of 2014–15, Carlos profited from Jacobo Sanz's departure and Nauzet Santana's serious injury, being promoted to Roberto's backup.On 16 November 2014 he played his first match as a professional, replacing the latter due to injury in a 0–2 away loss against UE Llagostera for the Segunda División championship.