 Following Bologna's relegation to Serie B at the conclusion of the 2004–05 Serie A season and the expiration of his contract with the club, Nervo spent a brief stint on loan with fellow Serie B side Catanzaro during the 2005–06 season, but later returned to Bologna in January 2006, and finished his professional career with the club at the conclusion of the 2006–07 season, retiring in 2007.With 417 appearances in official competitions with Bologna, he is the club's third highest appearance holder, behind Giacomo Bulgarelli and Tazio Roversi.In February 2008, Nervo came out of retirement to play football in the lower divisions, for Virgilio, and Padania.