Coach Marcello Lippi has already slammed detractors this morning who suggested fans would not be supporting the Azzurri because of his squad selection.
And Cannavaro has followed suit. The defender has hit out at those doubting the team.
"Lippi was challenged in Cesena and in Parma. Yet I don't remember an Italy team in the last 30 years that has done more than his," Cannavaro told La Repubblica.
"Lippi has always relied on a solid group. We qualified for the World Cup with a game to go, just like four years ago.
"Pessimism has always been part of our history. Italy have never started as favourites to win, but then we won four World Cups."