Both Spain stars are being made available this summer, but Emery said: "I would like them to stay, frankly. I'll accept what happens, but would like an explanation of why they must leave - if that's the case.

"I know that if we can get them involved and motivated, I am sure they can produce. They can be big players for Valencia and make this club bigger.

"I truly believe that they have a lot of room for improvement here."