 Mazzola akakurira muUnione Sportiva Malnatese Youth sector, uye muna 1982, akawanikwa nePro Patria, achiita nyanzvi yake yekutanga nekirabhu mumwaka wa198586; akazoenda kuTorino FC Youth sector. Mumwaka wa1987-88, akatamira kuVarese, achitamba mwaka mishanu nekirabhu muSerie C1 neSerie C2. Muna 1992, akatamira kuCatanzaro muSerie C2, achigara nekirabhu kwemwaka miviri. Pakutanga kwemwaka wechitatu, mushure memitambo mina nekirabhu, akawanikwa neSerie A kirabhu Reggiana. Akaita Serie A yake yekutanga nekirabhu panguva ya1994 1995 Serie Amwaka, musi waNovember 27, 1994, mukukwikwidza 00 kurwisa Cagliari. Kunyange zvazvo kirabhu akatambura relegation, ivo pakarepo akawana Serie A kukwidziridzwa zvakare, uye Mazzola akava nhengo zvachose kutanga line-up. Mwaka wakatevera, Reggiana yakadzikiswa zvakare, uye muna 1997, Mazzola akatamira kuPiacenza. Akagara nekirabhu kwemwaka mitatu, yese yaive muSerie A, achibatsira kirabhu kudzivirira kudzikiswa; akagadzwa kaputeni wekirabhu mumwaka wa1998-99. Akazotamira kuHellas Verona muna 2000, achiva chikamu chakakosha chekirabhu yepakati; akagara nekirabhu kusvika 2007, paakasaina neSwitzerland Challenge League divi Lugano, achitamba nekirabhu kwemwaka miviri. Muna 2009, akadzokera kuItaly, achigumisa basa rake neSerie D divi Domegliara. 