The Celtic F.C. is a football club.
The 1966 -- 67 Scottish League Cup was the twenty-first season of Scotland 's second football knockout competition . The Celtic Football Club ( [ ˈsɛltɪk ] ) is a professional football club based in Glasgow , Scotland , which plays in the Scottish Premiership . The two clubs have dominated Scottish football , winning 102 league titles between them since the inception of Scottish league football in 1890 . The Scottish League Cup , currently known as the Betfred Cup for sponsorship reasons , is a football competition open to all Scottish Professional Football League ( SPFL ) clubs .