Standout moment: Any one of three draws with Barcelona and Real Madrid. Against the Catalans they felt like the Rayo of old, fierce and relentless. They were also one of only two sides to stop Real Madrid scoring all season.
Key player: Oscar Valentin – Rayo might not be controlling games, but Valentin gets through bundles of work, and holds the fort together.
Surprise of the season: This is genuinely tough to find – Abdul Mumin? The Ghanaian defender playing well was the best partner Florian Lejuene.
Glass half full
Can it get worse in front of goal? You have to feel that confidence must rise in front of goal, and if Rayo do either inspire one of their current options, or find a new number nine, then Rayo will automatically be a much better team. They still have creativity and quality in Jorge de Frutos, Isi Palazon, Alvaro Garcia and Oscar Trejo behind them.
Perez will also have a summer to put in place what he wants to, rather than just simply grind out what they needed. Rayo are not a squad full of stars, but they are capable of more.
Glass half empty
Perhaps the big worry is the transfer market. If somebody poaches a key piece like Garcia or Valentin, it could be very hard to replace them. Sporting Director David Cobeno has done a good job in recent years, but there are certain areas of concern. Isi, Ivan Balliu, Garcia, Lejeune, Trejo, the core are ageing, and Stole Dimitrievski is also leaving.