Federico "Fede" San Emeterio Díaz (born 16 March 1997) is a Spanish professional footballer who plays as a central midfielder for Cádiz.
[1] On 14 January 2014, before even having appeared with the reserves, he made his senior debut, coming on as a late substitute in a 2–0 away win against UD Almería for that season's Copa del Rey.
On 24 August he played his first match as a professional, replacing Javi Soria in the 64th minute of a 1–0 loss at Girona FC in the Segunda División.
[4] On 16 August 2016, both San Emeterio and his brother moved to another reserve team, signing a three-year contract with Sevilla Atlético in the second division.
[6] On 16 August 2018, San Emeterio joined Real Valladolid on a three-year deal, being immediately loaned to Granada CF in the second tier.