The German, who left Anfield for Turkey back in August 2018, is seeking assistance from FIFA having gone without his salary for four months
Besiktas' Senol Gunes claims their loan move for Liverpool's Loris Karius "hasn't worked out" and the goalkeeper has "gone a bit stagnant".
Toronto FC fear wage demands from Besiktas' striker Ricardo Quaresma are too high, according to reports
Fenerbahce center-back Martin Skrtel rejected a Barcelona move in January, according to his agent
Shinji Kagawa will join Besiktas on loan from Borussia Dortmund for the remainder of the season
Henry Onyekuru scored twice and Galatasaray also got goals from Sofiane Feghouli, Badou Ndiaye and Mbay Diange in a 5-0 win over Antalyaspor.