Ku dhashay magaalada Mantua, Boninsegna wuxuu xirfadiisa ka bilaabay Serie B (heerka labaad ee kubadda cagta xirfadeed ee Talyaaniga) isaga oo la jooga Prato xilli ciyaareedkii 1963/64. Wuxuu u wareegay Potenza, oo ahayd koox Serie B ah xilli ciyaareedkii 1964-65. Waxa uu sidoo kale u ciyaaray Varese 1965 <unk> 1966 iyo Cagliari intii u dhaxeysay 1966 <unk> 1969, isagoo ka caawiyay kooxda inay ku dhammaystiraan kaalinta labaad inta lagu gudajiray 1968 <unk> 69 Serie A
waxaa soo maray Luigi Riva. Xilligii xagaaga ee 1967, Cagliari wuxuu yimid Mareykanka si uu uga ciyaaro Horyaalka Kubadda Cagta ee Waqooyiga Ameerika sida Chicago Mustangs; Boninsegna wuxuu hogaamiyay kooxda gool dhaliya 11 gool sagaal kulan. Boninsegna wuxuu ku guuleystey inuu noqdo weeraryahan wax ku ool ah Internazionale Milano F.C. iyo xulka qaranka Talyaaniga ee kubada cagta 1970-yadii, isagoo la ciyaaray Sandro Mazzola. Serie A, wuxuu dhaliyay 171 gool 281 ciyaarood, wuxuuna ahaa gool dhaliyaha ugu sareeya Talyaaniga inta lagu gudajiray xilli ciyaareedkii 1970-71 iyo 1971-72 ee Serie A, isaga oo la jooga Inter.