[3] He made his senior debuts for the club, scoring his first goal on 24 February, in a 2–0 home win against Villarreal CF B.

[4] On 25 July 2014, Quintillà signed a three-year deal with French Ligue 2 side AC Ajaccio, after the expiry of his contract with Barça.

[7] While he did not score in 15 appearances, he did net the winner in the penalty shootout as they won away to the Philadelphia Union in the U.S. Open Cup final on 30 September that year.

[9] The following 9 February, he signed with North American Soccer League side Puerto Rico FC.

[10] On 19 June 2018, Quintillà returned to Europe, joining FC St. Gallen of the Swiss Super League on a two-year deal.