‘Schalke’ should be OK without the ‘FC,’ otherwise you’d have to apply it to most club names, e.g. ‘Manchester United Football Club.’
The Greek club is Panathinaikos, not Panathanikos;
The Croatian one is Hajduk Split, not Hadjuk;
The Turkish Club is Fenerbahçe, not Fenerbaçhe
‘Schalke’ should be OK without the ‘FC,’ otherwise you’d have to apply it to most club names, e.g. ‘Manchester United Football Club.’
The Greek club is Panathinaikos, not Panathanikos;
The Croatian one is Hajduk Split, not Hadjuk;
The Turkish Club is Fenerbahçe, not Fenerbaçhe