Napoli won the 2012 Coppa Italia Final over undefeated league champions Juventus on 20 May; this was Juventus's only loss of the season, and Napoli's first title in over 20 years. On 11 August that year, the club suffered a controversial 4–2 extra-time defeat to Juventus in the 2012 Supercoppa Italiana, which saw two Napoli players sent off as well as Mazzarri. He left the "Azzurri" on 19 May 2013, after leading them to a 2nd-place finish and a spot in the Champions League at the end of the 2012–13 Serie A season; this was the club's best league finish in over 20 years.