Vidal began his second season with the club by scoring from a penalty in the 2012 Supercoppa Italiana on 11 August 2012, as Juventus defeated Napoli 4–2 in extra-time at the Beijing National Stadium. On 19 September 2012, Vidal scored his first UEFA Champions League goal in the group stage match away against the defending champions Chelsea. It was a crucial equaliser as Juve finished the game 2–2 after going two goals down in the first half. After helping the club to a second consecutive Serie A title, scoring 10 league goals in the process, and 15 in all competitions, he was voted Player of the Year by registered users on the club website juventus.com.