Last update 1 May, 2015 by Alberto Llopis
Football is a sport changing, One day you're on top and soon, sunk in the mud of the ranks. This is the case of many Spanish historical teams that went to spend most of its history in First Division and even win titles, begin with the arrival of the new century a spiral of ascents-descents that prevent them from consolidating. We remind the most notorious cases.
Real Betis
Real Betis is for obvious reasons one of the classics of Spanish football. With a long history in the top flight and a loyal and numerous fans, Betis have spent most of their history among the great. However, the arrival of the XXI century brought some successes in the form of European classification and even titles like the Copa del Rey but 3 Second descents (2000, 2009 y 2014) with its attendant promotions.

Royal Zaragoza
The case of Zaragoza is very similar to the Betis but with a much worse institutional and economic situation. The club hand is one of the clubs with more baggage in the history of Spanish football and has gone on to win European and national championships.
But as in these cases, managing several quite dispensable individuals have led the team to become an elevator and being involved with team executives included, in shady business as amaños to save category. Three declines 2002, 2008 y 2013 and two close calls and looks with magnifying glass 2011 y 2012, trendsetters of a club with too much history to have to live a sad situation.
Real Valladolid
Other Real Team, in this case Valladolid, It has become a fixture in this descend and ascend again. The pucelano team as the other two, It is among the 20 best historical clubs in the Spanish Liga, but since the new century began things are not going as they'd like. Three other descents 2004, 2010 y 2014 turn it into another computer elevator.

Real Club Deportivo de la Coruña
In the late 90 Depor erupted with force in Spanish football becoming the “Superdepor”, runner-up in 1994 after that dramatic penalty of Djukic, He won his first title as King's Cup 1995 and the League in the 2000, the first century. Then he marveled to Europe but the second decade of the new century, the thing seemed to go wrong. Down to the point in 2011, 2013 and have many numbers to repeat 2015.
Other teams like Levante, la Real Sociedad, Celta Vigo and even perhaps the Lightning also reached down and therefore up several times during the new century although it seems that in recent years have managed to stabilize and maintain a regular line in the top flight. Something the teams named in this article hope to recover.
Others as Osasuna, Mallorca and Racing Santander try to survive in Second Division but not accumulate this trend up and down so many times in so short a period of time.