 On 4 August 2015, Gabriel was loaned to Spanish Segunda División side CD Leganés, in a season-long deal.He made his debut for the club on 6 September, coming on as a late substitute for Lluís Sastre in a 1–1 home draw against Real Zaragoza.Gabriel scored his first goal for "Lega" on 17 October 2015, netting his team's second in a 2–2 draw against Girona FC.