Spezia Rossetti began his career as a left-winger and debuted at the age of fifteen in the 1919–20 championship with Virtus Spezia. After one more season, he went to play with Spezia, who played in Division II. On the penultimate day of the 1923–24 season, he was involved in a home game against Torino decided by his goal: the game was suspended several times by the referee for problems created by the public. The Piedmontese presented a complaint that was accepted, giving the team the victory in the table and subsequent victory of the group only after the national finals, played without Torino, who were considered eliminated in the meantime.
Torino Rossetti later transferred to Torino and contributed to the conquest of their first league title in 1926–27 (later revoked) and in 1927–28, scoring 19 goals (17 in group B and 2 in the final group) in the first season, and 23 (14 in group A and 9 in the final round) in the second. With
Adolfo Baloncieri and
Julio Libonatti, he formed "the trio of wonders", Torino's prolific attack during the 1920s. In the 1928–29 season, he lost a final against Bologna, with the team scoring 117 goals in 33 games (115 in the 30 matches of the first phase and 2 in the 3 final races for the award of the title). Rossetti closed the championship by scoring 36 goals in 30 games. He remained in Turin until 1933, playing 212 league games and scoring 134 goals. ==International career==