Ideye Brown struggled at West Bromwich Albion but is flourishing in Greece.
The French defender has been linked with a move away for some time.
Olympiakos are reportedly interested in signing Aly Cissokho from Aston Villa in the January transfer window.
The Bhoys have been linked to the Icelandic international before.
Those who can't make their mind up about the Arsenal boss are once again singing his praises.
Arsenal defeated Olympiakos 3-0 in Athens.
Olympiakos host Arsenal in the Champions League on Wednesday.
Arsenal travel to Greece to face Olympiakos on Wednesday.
Arsenal will face Olympiakos away from home in the Champions League on Wednesday evening.
Arsenal face Olympiakos in a crunch Champions League encounter in midweek.