Gianluigi Buffon missed Italy 's 2-2 draw with Bulgaria with flu . The Juventus goalkeeper was substituted in the second half after a knock to his right knee and will be replaced by Andrea Pirlo for Sunday's World Cup qualifier against Bulgaria.
Gianluigi Buffon missed Italy 's 2-2 draw with Bulgaria with flu . But the goalkeeper was back in training on Monday to boost the Azzurri . The friendly is a repeat of the 2014 World Cup fixture that Italy won 2-1 .