On-loan Liverpool goalkeeper Loris Karius has taken his complaint about unpaid wages by Besiktas to FIFA, world football's governing body told AFP on Wednesday.
Shinji Kagawa made an immediate impact for Besiktas on Sunday, having recently arrived on loan for the club from Borussia Dortmund.
Shinji Kagawa will now join Turkish club Besiktas after they beat Monaco in the chase to sign the former Man Utd midfielder.
Leonardo Jardim returned as Monaco head coach on Friday, only three months since being sacked by the club with the team struggling in the relegation zone.
Having struggled for first-team minutes since Maurizio Sarri's arrival at Chelsea, Victor Moses has left Stamford Bridge on loan.
Super Lig leaders Istanbul Basaksehir have announced the signing of former Chelsea striker Demba Ba.
Fulham signed former Liverpool forward Ryan Babel from Besiktas on Tuesday as the Premier League strugglers bid to bolster their spluttering attack and avoid relegation.
Former Brazil forward Robinho transferred on Thursday to Turkish Super Lig leaders Basaksehir, the club said, from Sivasspor whom he had signed with earlier this year.
Mesut Ozil has been linked to Inter and Real Madrid recently but Turkish Super Lig club Istanbul Basaksehir could offer an alternative.
Besiktas have announced experienced centre-back Pepe has left the club on a free transfer, with a return to Portugal mooted.
Turkish side Fenerbahce have turned to former coach Ersun Yanal to fill the hole left by the sacking six weeks ago of Dutch coach Phillip Cocu, the club announced on Friday. Â
After being dismissed in October, Phillip Cocu has reached an agreement with Fenerbahce over the termination of his contract.
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