Mezue ahịrịokwu na-esonụ: Oge abụọ na-esote na European Cup bụ ihe nkoropụ maka Celtic; na-apụ na Dynamo Kyiv na agba nke mbụ na nchebe ha nke iko ahụ na mgbụsị akwụkwọ nke 1967, mgbe ahụ iru quarter-finals na-esote oge naanị iji tufuo ha n'ụlọ ụkwụ megide AC Milan, na-enwe ihe a pụrụ ịdabere na-enweghị akara draw na egwuregwu mbụ na Italy. Na mbido oge a, Celtic bidoro esemokwu na mbido nke
Ọgụ Soviet Union wakporo Czechoslovakia n'August 1968. N'iwu onye isi oche Robert Kelly, klọb ahụ zigara UEFA telegram na-akatọ ihe agha ahụ ma na-ekwupụta nchegbu na otu ọ bụla si Western Europe ga-egwu egwuregwu na mba Eastern Bloc. Ọnọdụ Celtic nwetara nkwado site na ọtụtụ klọb n'ofe Western Europe, ọ bụ ezie na ndị ọzọ dịka Leeds United katọrọ n'ihu ọha Celtic. Na nzaghachi, UEFA weghachiri nza maka agba nke mbụ nke European Cup na European Cup Winners 'Cup iji zere ijikọ ndị otu Eastern Europe na klọb si West. Nke a kpalitere oke iwe sitere n'aka klọb na ndị isi bọọlụ na East, ọtụtụ n'ime ha wepụrụ na ngagharị iwe.