 In 2003, he moved to CD Logroñés where he played one season before joining Albacete Balompié in Segunda División, appearing once for the first team during 2005–06.Real Betis purchased Casto in the summer of 2006, where he initially began as third-choice behind Pedro Contreras and Toni Doblas.With the arrival of Portuguese international Ricardo in the following campaign, it seemed as though he would be provided with little opportunity to shine, even with Contreras' departure.