A product of hometown club CD Numancia's youth system,[1] Mario first appeared with their first team during 2002–03's second division – two games – then played 34 times scoring three goals in the 2007–08 season as the Soria side returned to La Liga after a three-year absence.
[2] On 31 August 2008, four years after making his top-flight debut, Mario netted the only goal as Numancia surprisingly defeated FC Barcelona at home in what was Pep Guardiola's first league game as a manager.
He did not settle with any club or in any country in the following years, representing Olympiakos Nicosia, FC Baku, SD Tarazona[6] and Jaguares de Córdoba.
[7] On 3 July 2015, Mario joined Club Blooming in the Liga de Fútbol Profesional Boliviano.
[8] On 12 August, the team won their first Copa Cine Center after defeating Club Jorge Wilstermann 4–0 in the final, and he scored the opening goal.