Born in Mos, Province of Pontevedra, Galicia, Blanco finished his youth career with local RCCeltadeVigo. He played his first games as a senior at only 16, with the B team in the Segunda División B. [2 ]
In a senior career that spanned nearly two decades, he amassed La Liga totals of 282 matches and ten goals over 12 seasons, also representing in the competition Numancia, Levante, Betis, Sporting de Gijón and Elche.