While at the team, he reached the final fixture of the 2003 Clausura as the league's top scorer with 15 goals, 3 more than Rosario Central's Luciano Figueroa.
However, Figueroa scored 5 goals in his team's 7–2 victory over Boca Juniors, that played the game with a youth squad, frustrating Nanni's possibility of becoming the league's top scorer.
[2] On 29 August 2003, the Argentine forward was signed by FC Dynamo Kyiv, for a club's record fee –at that time– of around €5 million.
[5] In July 2009, at the request of coach Pedro Troglio, he joined Paraguayan champions Cerro Porteño, on a free transfer.
After five years playing for Cerro Porteño, the Argentine forward had a fight with the club's President Juan José Zapag and his contract was terminated.