 Nyora kupfuurira kweiyi ndima - Mu2014 Supercoppa ItalianaKurwisa Juventus muDoha, Qatar, musi wa22 Zvita, Koulibaly akarova penareti yekukunda mu shootout yekuchengetedza kukunda kweNapoli. Pakupera kwemwaka wa2014-15 mwaka, Koulibaly akazviwana akaiswa mukati nekunze kwechikwata gumi nerimwe chekutanga, sezvo maneja Rafael Benítez akasarudza Raúl Albiol naMiguel Britos munzvimbo dzepakati dzekudzivirira. Mumwaka wake wokutanga kuNapoli, Koulibaly akaenderera mberi nekuita mitambo makumi matatu nemapfumbamwe uye akarova chinangwa chimwe mumakwikwi ese. 