sentences:  He returned to the under-21 setup for the 2011 European Championships in Denmark, captaining the nation to its third title in the category.Martínez also appeared in one game at UEFA Euro 2012 for the eventual champions, again substituting Alonso midway through the second half, this time against the Republic of Ireland in the group stage (4–0 success).He was described by del Bosque as "a complete player", with the manager comparing him to Patrick Vieira; additionally, he was part of the squad at the 2012 Summer Olympics, which ended in group phase elimination.