According to the London Evening Standard, Chelsea will move for Atletico Madrid midfielder Koke this summer - offering up Filipe Luis as bait less than a year after his arrival at Stamford Bridge.
Jose Mourinho is a huge admirer of the Spain international, who signed a new five-year deal at the Vicente Calderon just 10 months ago.
The report suggests the Blues manager has been promised big money to spend in the transfer market in the wake of a surprise Champions League exit at the last-16 stage.
Koke's recent contract extension included a mighty £48million release clause, but this is unlikely to prevent Chelsea from making their interest official during the summer window.
With Atletico looking to defend last season's title - a feat that now seems somewhat unattainable - Koke has been in scintillating form. Featuring most often as a left-winger, he has made 23 appearances, scoring two goals and assisting a further nine.
Based on his current role, it seems he would have to compete with Eden Hazard for a starting-berth at Stamford Bridge, but his versatility enables him to play in any position across the midfield.
The 23-year-old was in action again on Saturday, as his side recorded a comfortable 2-0 victory over Getafe. Throughout a man-of-the-match performance he proved an absolute menace down the left flank.
He fashioned a match-best four key passes, recorded 108 touches, completed 85.7% of his passes and managed two attempts at goal; one of which found the intended target.
A closer focus on Koke's performances in Europe shows just how good the Spaniard really is.
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In seven Champions League appearances for last season's La Liga winners, he has created four goals, while fashioning an average of three key passes per match, more than Chelsea's most lauded creative assets Cesc Fabregas (2.71) and Eden Hazard (2.33).