Rubuta ci gaba don wannan sakin layi - Wasannin biyu masu zuwa a gasar cin kofin Turai sun kasance abin takaici ga Celtic; fita zuwa Dynamo Kyiv a zagaye na farko a cikin kare kofin a kaka na 1967, sannan ya kai wasan kusa da na karshe a kakar wasa mai zuwa kawai don rasa wasan gida da AC Milan, bayan da ya samu nasarar cin kwallaye a wasan farko a Italiya. A farkon kakar wasa ta bana, Celtic ta kaddamar da wata muhawara bayan mamayewar Tarayyar Soviet na Czechoslovakia
a watan Agusta na shekara ta 1968. A umurnin shugaban kungiyar Robert Kelly, kungiyar ta aika wa UEFA sakon waya da ke la'antar aikin soja da kuma nuna damuwa cewa duk wata kungiya daga Yammacin Turai da za ta buga wasa a cikin wata ƙasa ta Gabas. Matsayin Celtic ya sami goyon baya daga kungiyoyi da yawa a duk faɗin Yammacin Turai, kodayake wasu kamar Leeds United sun soki shigar da Celtic a bainar jama'a. A sakamakon haka, UEFA ta sake zana wasan farko na gasar cin kofin Turai da gasar cin kofin zakarun Turai don kauce wa hada kungiyoyin kasashen gabashin Turai da kungiyoyi daga yamma. Wannan ya haifar da mummunan martani daga kungiyoyi da hukumomin kwallon kafa a Gabas, mafi yawansu sun janye don nuna rashin amincewa.