Thomas Tuchel warns Chelsea stars they risk disappointment over Real Madrid or Barcelona upgrade

Thomas Tuchel believes players can fulfil "any dream" they have at Chelsea and says Andreas Christensen and Antonio Rudiger will not be able to find an upgrade on the Blues should they decide to leave when their contracts expire in the summer.

Talks to extend the deals of Christensen and Rudiger – both of whom have thrived under Tuchel – have taken place throughout this season but no agreement has been found between Chelsea and the centre-back duo. It is a similar story with club captain Cesar Azpilicueta.

Rudiger has reportedly courted interest from Ligue 1 giants PSG and German champions Bayern Munich. Real Madrid have also been linked with the 29-year-old.

Christensen, meanwhile, is understood to be closing in on a free transfer to Barcelona. If the Dane does depart in the summer, it will bring an end to his Chelsea career that has spanned ten years.

There was perhaps a time – and not too long ago – that a move from Chelsea to Real Madrid, Barcelona or Bayern Munich could be argued as a step up. However, the Blues are not only reigning European champions but are also world champions after their triumph in the Club World Cup last month.

Tuchel accepts that there are a number of factors that can lead to a player deciding to leave Chelsea, but he insists they will not find a better club to represent in Europe.

“There are several [kinds of] step up," the German said ahead of Chelsea's trip to Norwich City. "You can have a step up financially, you can have a step up in perspective of having more minutes or the statutes of the other team. So there are many, many step-ups.

"In general, from my experience here and where I've come from, there cannot be a bigger improvement at any other club in terms of organisation, the