Longoni grew up in Lecco footballing team in their city, was bought by AC Milan just 17 years, the society in which, however, had no way to shine.
Its explosion occurred with the transfer of Atalanta, which competed with the signing almost 200 games 38 goals, managing to earn a call-up, increases in boys and made his debut for Milan in Serie A to 19 years but was too minute to play with the famous Gre-No-Li and was sent to the province.
The game in question was that of 9 December 1956 against Austria, in which he scored two goals in the victory (2-1), although this exploit was never called into the senior national team.
The game in question was that of 9 December 1956 against Austria, in which he scored two goals in the victory despite this exploit was never called into the senior national team.
[citation needed] Longoni played for several clubs, including Lecco, A.C. Milan, Atalanta, Lazio and Vis Pesaro.