Frigerio began his career in the youth team of
Lugano in 1930. After spending some time in the youth team of English club
Liverpool, he returned to Switzerland, where he joined
Servette. Frigerio made his professional debut in the
Young Fellows Juventus, where he played for eight years, during which they won the
1935–36 Swiss Cup. Frigerio was the scorer of the
1936–37 Nationalliga. In mid-1937, Frigerio was acquired by the French club
Le Havre, with whom he won the
1937–38 French Division 2. After that season returned to Switzerland, due to the outbreak of the
Second World War. Between 1939 and 1942 he played for
Lugano, with whom he won the
1940–41 Nationalliga and were runners up in the
1942–43 Swiss Cup, being the goalscorer of the
1940–41 and
1941–42 Nationalliga. Frigerio played four years at the club
Bellinzona, and ended his career in 1949 at the club
Chiasso. ==International career==