Born in Albal, Valencian Community, Ruiz was a product of Valencia CF's youth system. He made his senior debut with the reserves when he was only 16, playing 19 Segunda División B games in 2011–12 and scoring one goal, in the 2–0 home win against CE Manacor.El árbitro desquicia al Manacor con seis expulsiones (Referee distresses Manacor with six ejections); Marca, 22 April 2012 (in Spanish) He appeared in his first official match with the first team on 28 November 2012, featuring the full 90 minutes in a 3–1 home win over UE Llagostera for that season's Copa del Rey.Por algo se empieza (You have to start somewhere); Marca, 28 November 2012 (in Spanish)
