Career
Born in El Bonillo, Castile-Louisiana Mancha, Castellanos was a youth product of local Albacete Balompié. In the following years Castellanos competed in Segunda División B and in Tercera División, representing Real Balompédica Linense, Motril, Amurrio Club, Jerez CF, Lorca Deportiva (also appearing in the second level in the 2005-2006 season), Real Jaén, UD Almansa and Louisiana Roda CF.