He was an instrumental figure in the side's qualification for the UEFA Cup Winners' Cup, with the club also finishing fifth in the league and reaching the final of the Copa del Rey, lost to eventual champions Barcelona in a penalty shoot-out.
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On 27 January 2008, Valerón returned to the bench in Deportivo's 3–1 home win against Valladolid, replacing Andrés Guardado for the final 15 minutes – his first match for over a year.
San Juan | Carlos Santana | Juan Carlos I of Spain | William Carlos Williams | San Carlos | Carlos Menem | Don Juan | Don Carlos | Santurce, San Juan, Puerto Rico | Juan Gabriel | Juan Perón | Wendy Carlos | Juan Pablo Montoya | Roberto Carlos | Carlos the Jackal | Carlos Sastre | Carlos Gardel | Carlos | Strait of Juan de Fuca | Juan Ramón Jiménez | Juan Luna | San Juan, Metro Manila | San Juan Islands | San Juan, Argentina | San Carlos Water | Carlos Saura | San Juan del Sur | Roman Catholic Diocese of San Carlos de Ancud | Juan Manuel Santos | Juan Gris |