Education
Born in Banyoles, Girona, Catalonia, Mas graduated from Girona Football Club"s youth setup, and made his senior debuts with the reserves in the regional leagues,, in the 2012-2013 campaign.
Born in Banyoles, Girona, Catalonia, Mas graduated from Girona Football Club"s youth setup, and made his senior debuts with the reserves in the regional leagues,, in the 2012-2013 campaign.
On 8 June 2013 he played his first match as a professional, starting in a 1–1 home draw against Real Madrid Castilla for the Segunda División championship. He scored his first professional goal on 17 May 2015, netting the last in a 1–1 home draw against Real Zaragoza.
On 28 August 2015, Mas signed a new one-year deal with the club, after already being a regular member of the first team