Pedzisa mutsara unotevera: Pakutanga kubva kuBrescia, Beccalossi akatanga basa rake rebhora nekirabhu yekumusha kwake muna 1972, uye akazofarirwa nevateveri veInter Milan, kwaakapedza chikamu chikuru chebasa rake, kubva 1978<unk>79 kusvika 1983<unk>84, kazhinji achipfeka nhamba 10 hembe. Akapfeka Inter jersey mumitambo 216, akarova zvibodzwa makumi matatu nenomwe uye akabatsira timu kuhwina mukombe weSerie A Championship (
1979-1980, achihwina zvibodzwa zvinomwe) uye Coppa Italia (1981-1982). Pamwe chete neInter centre-forward Alessandro Altobelli, Beccalossi akaumba imwe yehukama hwakareba hwekurwisa munhoroondo yazvino yeSerie A. Ivo pakutanga vakatamba pamwechete paBrescia uye vakazove vatungamiriri vechikwata kuInter kubva mukupera kwema1970 kusvika pakati pema1980, apo vaitsigirwa nekudzivirira naGianpiero Marini, Gabriele Oriali, naGiuseppe Baresi.