Barila made his debut as a professional on 12 January 1997, featuring the full 90 minutes for Mérida in a 1–1 away against CD Leganés in the Segunda División.[12] He scored his first and only goal in the competition exactly nine months later, helping hosts Levante beat Real Jaén 2–0.[13]
^Arquimbau, J. M.; Soler, C. (3 July 1996). "Castellón, Llíria y Levante atan" [Castellón, Llíria and Levante get signing]. Mundo Deportivo (in Spanish). Retrieved 12 January 2019.
^Melich, Jordi; Arquimbau, J. M. (4 January 1997). "Sesión doble para hoy en 2ª B" [Double session for today in 2ª B]. Mundo Deportivo (in Spanish). Retrieved 12 January 2019.
^Carrión, S. (27 July 1997). "Sergio Barila, el último de la lista" [Sergio Barila, last one on the list]. Mundo Deportivo (in Spanish). Retrieved 12 January 2019.
^Aguilar, Xavi (22 July 2000). "El Nàstic, a por la liguilla" [Nàstic, out to reach play-offs]. Mundo Deportivo (in Spanish). Retrieved 12 January 2019.
^ abRodríguez, Pedro (23 June 2011). "El regreso de Sergio Barila" [The return of Sergio Barila] (in Spanish). No Solo Efesé. Archived from the original on 30 March 2012. Retrieved 13 August 2011.
^Gamonal, Raúl (13 January 1997). "Adiós a la primera plaza" [Farewell to the first place]. Mundo Deportivo (in Spanish). Retrieved 20 November 2018.
^Carrión, Soler (13 October 1997). "Estreno del Levante en casa" [Levante get first at home]. Mundo Deportivo (in Spanish). Retrieved 20 November 2018.
^Fernández, Napoleón (24 November 2003). "La 'España' africana" [The African 'Spain']. El País (in Spanish). Retrieved 20 November 2018.