Everton defender John Stones has handed in a transfer request to force a move to Chelsea, according to BBC Sport.
The England international has been heavily linked with a move to Stamford Bridge this summer, and the Blues have had their latest offer worth £30 million rejected by the Toffees.
Everton boss Roberto Martinez has grown increasingly frustrated with Chelsea's repeated attempts to land Stones and remains adamant that he won't be sold - however his job had just been made much more difficult.
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According to BBC Sport, Stones has handed in a request in an attempt to force the move before the transfer window closes, and Chelsea are expected to return with a bid soon.
As yet there's been no word as to whether Everton have accepted the 21-year-old's request, with the BBC reporting that the Merseyside club haven't responded to a request for comments.
So far Chelsea have signed Asmir Begovic, Pedro, Radamel Falcao and Abdul Rahman Baba in this window, but are keen on a central defender to act as back-up and a long-term replacement for John Terry.
The 34-year-old was substituted by Jose Mourinho for the first time in his two spells in charge at Stamford Bridge, and was sent off in the Blues' 3-2 win over West Brom at the weekend.
Stones is expected to be in the England squad for next month's Euro 2016 qualifiers against San Marino and Switzerland when it's named on Sunday evening - and will line up for either Chelsea or Everton when the two teams square off when the Premier League action resumes.
Do you think Chelsea should offer £40 million for Stones - or is that too much?
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