The former Liverpool, Real Madrid and Bayern Munich star has supposedly caught the eye of Chelsea co-owner Behdad Eghbali having guided the Werkself to the top of the Bundesliga, and remarkably his side remain unbeaten in all competitions at the start of February.
However, this would be far from a straightforward appointment. Alonso is sure to want to complete a potentially historic season with Leverkusen, and he will have no shortage of elite suitors in the summer as Jurgen Klopp prepares to step aside at Anfield and Thomas Tuchel faces an uncertain future at Bayern. He has also been linked with a return to Los Blancos, although Carlo Ancelotti has just signed a new contract there.