 Complete the following phrase:  Morfeo subsequently began his professional career when he was promoted to the Atalanta B.C. senior side, making his Serie A debut with the club later that year, at the age of 17, on 19 December, in a 21 home win over Genoa. he scored his first two goals for the club after coming on as a substitute against Lecce, helping Atalanta to come back from behind to earn a 33 draw; he finished the 