The top six teams then go through to a play-off system to determine the champion club.
At the end of the season, the champion club is presented with the Gibson Cup.
European Champion Clubs' Cup success very nearly came his way too.
England's champion club were briefly bottom of the Premiership pile during the autumn.
The competition was initially a straight knockout competition open only to the champion club of each country.
The competition is open to the champion clubs of the strongest hurling counties in the four provinces.
The champion clubs from 1989 until the league's discontinuation were as follows:
The champion clubs during this era were as follows:
Virtus would than win the Champion Clubs' Cup that season.
At the end of each season the champion club will be promoted to I-League 2nd Division.
