Rayo Vallecano Coach Paco Jemez believes that his side's European ambitions will be over if they lose to Valencia.
The Franjirrojos host Los Che on Sunday looking for the three points that could take them up to seventh in the table.
But the 43-year-old has insisted that only a win will do if they are to play in the Europa League next term.
“If we don't win we lose all our European options,” he told a Press conference. “But if we win, they will be back on.
“It's a pretty definitive game for us.
“If we lose, our European dreams are over.
“Valencia are a great team though. They had a difficult start to the season, but after Madrid and Barcelona they are the best in the League.”