Chelsea winger Marko Marin is in advanced talks with Olympiakos and is expected to complete a move in the coming days, Goal understands.
The Germany international has failed to break into the first-team at Stamford Bridge since joining in 2012 from Werder Bremen, where he impressed during a three year spell.
Marin, 27, has made just 16 appearances for the Blues, and has been sent out on loan to Sevilla, Fiorentina, Anderlecht and Trabzonspor.
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And a source has told Goal that the Bosnia-Herzegovina-born player is expected to complete a move to the Greek champions early next week.
It is not yet known whether the transfer will be a permanent one or a fifth loan move for Marin.