A total of 22 teams will contest the league: 15 of which returning from the 2010–11 season, four of which promoted from Lega Pro Prima Divisione, and three relegated from Serie A.
Later in October 2011, Juve Stabia were docked five more points (successively reduced to three) due to their involvement in a matchfixing scandal regarding a 2008–09 Lega Pro Prima Divisione game against Sorrento.
On 3 December 2011, the Padova–Torino league match was suspended with the home club leading 1–0 due to an electric stadium blackout; the game was completed 11 days later, and ended with the same result as earlier.
On 14 April 2012, the Pescara–Livorno game was halted after 30 minutes (the result being 0–2 at the time of suspension) after Livorno footballer Piermario Morosini suffered a heart failure on the pitch and eventually died in transport to hospital.
[2] The event caused the immediate cancellation of all Italian football games for the week, with the involving matches (including the remaining 60 minutes of Pescara–Livorno) being delayed to mid-May.