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That’s according to Turkish news outlet Milliyet who reckon a deal is on the cards.

It’s suggested the maverick forward will arrive in Istanbul later today ahead of a prospective move.

The Spain international will complete a medical and - assuming it’s successful - he’ll compete a loan move to the Super Lig heavyweights.

The move won’t be particularly beneficial to Chelsea, though.

Milliyet say the Blues will cough up a whopping 75 per cent of his salary.

The Turkish transfer window is open until Friday meaning Costa can still leave the west Londoners.

(Image: GETTY)

Antonio Conte told Costa he is surplus to requirements at Stamford Bridge earlier this summer - and the Brazil-born forward has been AWOL in his homeland since.

The Spain international is keen on a return to Atletico having left the club in 2014.

But the La Liga giants are banned from making any signings until January due to a transfer embargo.

He was dumped via text message by Blues boss Conte.

Conte wrote: "Hi Diego, I hope you are well. Thanks for the seasono [sic] we spent together."

Costa has bagged 52 goals in 89 games for Chelsea since joining the club in 2014.