Defending La Liga champions Atletico Madrid are said to be so determined to ward off any interest in their midfield maestro Koke that they have slapped a £50million price tag on his head, according to the Daily Mirror.
Chelsea keen to sign goalkeeper from fierce local rivals
Cech Arsenal: Chelsea star wants summer transfer resolved quickly
Arsenal, Chelsea & Man United among top ten best supported teams in Europe based on Twitter followers
Chelsea are believed to have placed him high on their summer shopping list, and club technical director, Michael Emenalo, has watched him several times already this season.
The 23-year-old has been in phenomenal form again this season, and Atletico are demanding that any club wishing to bring him on board will have to meet their buy-out clause that runs until 2019.
However, reports in the Spanish press are now claiming that the Madrid-based club could be interested in a possible player plus cash deal involving former full-back Felipe Luis.
The Brazilian moved to west London in a £15million deal last summer, but ha s played only a peripheral role as he has been unable to dislodge Cesar Azpilicueta.