By now he had been converted into a left wing back by coach Serse Cosmi, and in his second season in Perugia, Grosso maintained a starting position and made 30 league appearances with 4 goals.
The manager of Olympique Lyonnais, Alain Perrin, said that the team needs another left-back since he's not pleased by Fabio Grosso's performances.
Mato Grosso | Mato Grosso do Sul | Fabio Luisi | Fabio Capello | Fabio | Fabio Lanzoni | Fabio Cannavaro | Fabio Ochoa Restrepo | Fabio Leimer | Monte Grosso | Fabio Reinhart | Fabio Perini S.p.A. | Fabio Perini | Fabio Ochoa Vásquez | Fabio Mussi | Fabio Liverani | Fabio Grosso | Fabio Grossi | Fabio Gava | Cáceres, Mato Grosso | Sonny Grosso | Rio Verde de Mato Grosso | Mundo Novo, Mato Grosso do Sul | Moto Grosso Feio | Manlio Fabio Beltrones | Jardim, Mato Grosso do Sul | Giacomo Grosso | Fabio Vittorini | Fabio Vacchi | Fabio Testi |
He guided the team for four consecutive years, winning a UEFA Intertoto Cup, showing valid coaching abilities and launching several players, including 2006 FIFA World Cup winner Marco Materazzi (who reached a career high of 12 goals in a single season under Cosmi's tenure), then-unknown Japanese Hidetoshi Nakata, Fabrizio Miccoli, Fabio Grosso and Fabio Liverani.