 Nyorai kuenderera mberi kweiyi ndima - Mushure memwaka, Kosti akasiya makore ake maviri ekupedzisira ekufanirwa uye akasaina chibvumirano chehunyanzvi neCalgary Flames. Akatanga mwaka unotevera neMoncton Golden Flames asi akapedzisira aonekwa mumitambo gumi nemashanu chete mumwaka. Akabatana nechikwata chenyika cheCanada muna 1986 uye akatamba makore maviri akatevera nechirongwa ichi, achiva muchengeti wechitatu wechikwata pa1988 Winter Olympicsnokuti akanga asina kupfeka nokuda kwemitambo ipi neipi iyo dzimwe nguva yaakasiya kunze kweboka. Kosti akasvika pedyo nekuonekwa mumutambo weNHL munaNovember wemwaka iwoyo. Mutambi wenguva dzose Mike Vernon akanga apfura zvakasimba pamasikisi uye akachengetwa kunze nokuda kwezvikonzero zvokungwarira. Kosti akadanwa uye akashanda senzvimbo yekuchengetedza musi wa21 vachipesana nePittsburgh Penguins asi akatasva bhenji mutambo wese. Apo Vernon akacheneswa nokuda kwemutambo unotevera, Kosti akadzorerwa kuchikwata chenyika. Mushure memitambo yeOlympics, Kosti akapedza mwaka neSalt Lake Golden Eagles. Mushure mekunge chibvumirano chake chepasi neFlames chapera muna 1988, hachina kuvandudzwa uye haana kukokwa kumusasa wekudzidzira wechikwata. Kosti akasiya basa semutambi uye akatanga kuita basa mune zvebhizimisi. 