He competed in the men's light heavyweight event at the 1952 Summer Olympics.
[1] Lúcio Grottone, with Sicilian ancestry, began boxing as a teenager.
He achieved the light heavyweight championship of São Paulo in 1950 and later secured the Brazilian title the same year.
In 1951, he repeated these triumphs and earned a silver medal at the first Pan American Games in Buenos Aires.
Grottone then focused on his wife's family fishing business but remained active as a referee and boxing administrator.