Ruiz appeared in 28 matches during his debut campaign, as the Madrid side were promoted to Segunda División after a ten-year absence, and signed a new one-year deal on 7 July 2014.[3]
On 24 August 2014 Ruiz played his first match as a professional, starting in a 1–1 home draw against Deportivo Alavés.[4] He contributed with 20 appearances during the 2015–16 season, as his side achieved promotion to La Liga for the first time ever.
On 2 August 2016, free agent Ruiz signed for Cádiz CF, still in the second division.[5] The following 28 June, after appearing rarely, he moved to fellow league team CD Lugo.[6]
On 5 August 2019, Ruiz agreed to a one-year deal with Deportivo de La Coruña also in division two.[7] On 7 September of the following year, after Dépor's relegation, he returned to his previous club lugo on a one-year contract.[8]