On 11 August 2012, Buffon lifted his first trophy as the new
Juventus captain, following
Alessandro Del Piero's departure. Juventus defeated Napoli 4–2 in extra time in the
2012 Supercoppa Italiana Final in Beijing. Buffon suffered a minor injury and was not able to partake in the first
Serie A match of the 2012–13 season against Parma on 25 August 2012.
[44] He was replaced by Marco Storari and Juventus won the match 2–0.
[45] He returned to the starting line-up for the next match against
Udinese in Udine on 2 September, wearing the captain's armband.
[46] Juventus won the match 4–1.
[47] On 20 September, for Juventus' first
UEFA Champions League match of the season against
current title holders Chelsea in London, Buffon made his 400th Club appearance for Juventus across all competitions. The match ended in a 2–2 draw.
[48] Buffon obtained his first clean sheet of the season in a 2–0 home win against
Chievoon 22 September.
[49] Buffon was nominated for the
2012 FIFA Ballon d'Or and the
2012 UEFA Team of the Year, along with Juventus and Italy team mate
Andrea Pirlo, following his performances throughout the calendar year.
[50] He obtained his first
Champion's League clean sheet against
Nordsjaelland on 7 November, a match which
Juventus won 4–0 at the
Juventus Stadium.
[51] He also kept clean sheets as Juventus beat
defending champions Chelsea 3–0 at home,
[52] and also in Juventus' 1–0 away win against
Shakhtar Donetsk, which allowed Juventus to top their
groupundefeated and advance to the knockout stages for first time since the
2008–09 tournament.
[53] This was also Buffon's 100th club appearance in European Competitions. Buffon kept a clean sheet in a 1–0
Coppa Italia win against
Cagliari, the only goal of the match coming from team mate
Sebastian Giovinco, allowing Juventus to progress to the
quarter-finals of the tournament. On 16 December, Juventus defeated
Atalanta 3–0, allowing Juventus to once again claim the unofficial title of 'Serie A Winter Champions', with the best defence in Serie A, having only conceded 10 goals in 17 matches. This was also Buffon's 20th clean sheet in 2012, the most of any other goalkeeper in Europe.
[54][55] Buffon was voted second in the IFFHS goalkeeper of the year award, behind Spanish Euro 2012 winning goalkeeper Iker Casillas and was named as goalkeeper of the century by the same organisation, ahead of Casillas by a single point.
[56][57]