sentences:  In May 2002, he made his professional debut with the reserves Real Madrid Castilla in Segunda División B, going on to appear in four full seasons with the team.In the 2004–05 campaign, Palencia played twice with the main squad, his debut coming on 26 February 2005 in a 2–0 La Liga loss at Deportivo de La Coruña.Two weeks later, in another away fixture for the same competition, he appeared against Getafe CF (1–2 defeat) and, in the ensuing summer, left the Santiago Bernabéu Stadium and signed with R.E.