The 2012–13 Nemzeti Bajnokság I, also known as NB I, was the 111th season of top-tier football in Hungary. The league is officially named OTP Bank Liga for sponsorship reasons. The season began 27 July 2012[2] and ended on 2 June 2013.[2]Debrecen were the defending champions having won their sixth Hungarian championship last season.
The two relegated teams were replaced with the champions of the two 2011–12 NB II groups, Eger of the East Group and MTK of the West Group. MTK made their immediate comeback to the league, while Eger returned to the competition for the first time since the 1986–87 season.
Following is the list of clubs competing in 2012–13 Nemzeti Bajnokság I, with their manager, captain, kit manufacturer and shirt sponsor.[4]
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and Managers may hold more than one non-FIFA nationality.
^ abcd"Soproni Liga". whoscored.com. Retrieved 28 July 2012. On the standing table click on Streaks and after that click on Longest.
^ ab"A bajnokság időrendje"(PDF). Magyar Labdarúgó Szövetség – NEMZETI BAJNOKSÁG I. OSZTÁLY – NB I. férfi felnőtt nagypályás labdarúgó bajnokság versenykiírása 2012 – 2013. (in Hungarian). Hungarian Football Federation. Archived from the original(PDF) on 21 September 2013. Retrieved 27 July 2012.