Rubuta ci gaba don wannan sakin layi - Pedersoli ya koma Italiya a 1949 don buga wasan polo a Rome 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 daya aka kira shi zuwa gasar zakarun Turai.
a Vienna inda ya yi iyo a wasan karshe biyu, ya gama na biyar a tseren mita 100 da na huɗu a tseren 4 × 200 m.