The Celtic Football Club is a professional football club based in Glasgow, Scotland, that plays in the Scottish Premiership.
Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
Celtic is half of the Old Firm, alongside Rangers F.C.. This is a term that used to describe both Rangers and Celtic together. It is now consigned to history after Rangers were liquidated in the summer of 2012.