Crystal Palace with Andini Irraola and Frank Lampard in Plan B

as a BBC Sport revealed earlier this month.Iraola is the man who wants to replace Oliver Glasner, who stated that he has no plans to reverse his decision after the victory in Germany.

They have proposed to the Spaniard and are awaiting his reply.

Castle are understood to want answers by the end of the weekend.

The move has great potential. Iraola turned out to be one of the brightest managers in European football; BournemouthQualifying for next season’s Europa League shows his impressive career.

“We’ve got a taste now, we want it to continue,” said owner Steve Parish following the win at Rayo Vallecano.

“We have reached a level and we have to try and stay there. We will have a week to celebrate and then we will work hard in the summer.”

Palace believe they have done all they can to convince Iraola that they can give him the platform to continue building his reputation.

All that remains is Iraola’s approval.

If the 43-year-old refuses, Castle will go to plan B.

Among the options is understood to be Frank Lampard, who has key admirers in the Palace boardroom.

Releasing Lampard from his contract with Coventry would be a clear obstacle if Palace were to be the former’s front-runner. Chelsea Medium.

But there is some hope at Palace that Lampard, who is aware of the Premier League club’s interest in him, will be open to joining before next season.

Kieran McKenna, Pierre Sage, Sean Dyche and Thomas Frank were discussed as alternatives.

Luring Iraola to Selhurst Park would be a coup for Palace, but the length of time it has taken to decide has left doubts at Selhurst Park as to whether he has left. Bournemouth The head coach is ready to welcome him.

More will become clear in the coming days.