Kammala jumla mai zuwa: Pedersoli ya koma Italiya a 1949 don buga wasan polo a Roma don Società Sportiva Lazio Nuoto kuma ya lashe gasar zakarun Italiya a cikin 'yanci da ƙungiyoyin relay masu haɗuwa. A matsayinsa na ƙwararren mai iyo a ƙuruciyarsa, Spencer shi ne ɗan Italiya na farko da ya yi iyo mita 100 a cikin ƙasa da minti ɗaya lokacin da a ranar 19 ga Satumba 1950 ya yi iyo a cikin sakan 59.5 a Salsomaggiore. A shekarar 1949 ya fara taka leda a kasa da kasa kuma bayan shekara guda sai aka kira shi don
Gasar zakarun Turai a Vienna inda ya yi iyo a wasan karshe biyu, ya kammala na biyar a tseren mita 100 da na hudu a tseren 4 × 200 m.