Career
Born in Córdoba, Andalusia, Castellano joined Real Madrid"s youth setup in 2011, after stints at Córdoba CF and Séneca CF. He made his senior debuts with the C-team in 2012, in Segunda División B.
In February 2013 Castellano was linked to Manchester City and Manchester United, but nothing came of lieutenant On 8 July of the following year he signed for UD Almería, being assigned to the reserves also in the third level