 Salvio made his official debut for Atlético in the 2009–10 UEFA Europa League against Galatasaray on 18 February 2010, and scored his first goals for the "Colchoneros" in a 3–1 La Liga home win over Tenerife on 25 April.On 12 May he appeared as a substitute in the Europa League final against Fulham, coming on as a substitute for José Antonio Reyes in the 76th minute of the 2–1 triumph.On 19 August 2010, after speculation linked him to several clubs, mostly in Spain but also in Portugal, Benfica and Atlético Madrid agreed on a season-long loan for Salvio, with the Lisbon club also buying 20% of his rights for €2.5 million.