Sergio Díaz (footballer, born 1991)

Sergio Díaz Castilla (born 2 July 1991) is a Spanish footballer who plays as a left back for Antequera CF.

Club career
Born in Málaga, Andalusia, Díaz spent his first year as a senior with local Atlético Malagueño, in Tercera División. In July 2011 he was loaned to Hércules CF, with the Segunda División club having an option to buy at the end of the season.

Díaz made his official debut for Hércules on 7 September 2011, in a 3–2 home win against CD Alcoyano in the second round in the Copa del Rey (a 3–0 loss was awarded later), and he played his first league match on the 16th, coming on as an 80th-minute substitute for Adrián Sardinero in the 2–1 home victory over FC Barcelona B.