 Nyorai mberi kweiyi ndima - Pasinei nehutsigiri hwake kurwisa Celtic, Johnstone akawana nguva dzose yekutanga-timu kubuda munhamba 9 jersey yakaoma kusvika, kunyanya nekuda kwekuvapo kwaColin Stein, mutambi wekutanga weScotland 100,000, kunyange zvazvo akawana zvibodzwa gumi nezvitanhatu mumitambo gumi nematanhatu mumutambo munguva ye1971-72. Akabhadhara nokuda kwekushayikwa kwake kwekutamba mberi nekugara achitamba semutambi wepakati apo Ronnie McKinnon kana Colin Jackson akakuvara, uye apo vaviri vacho vakadzingwa mu1972 European Cup Winners Cup Final, Johnstone achiri nemakore gumi nemasere chete akamiririra mumutambo wakanangana neDynamo Moscow. 