What is "the split"?
For the last five games of the season, the league splits into top six and bottom six, and they play 5 games against the teams in whichever part of the split they are in. As there are 12 teams in the league, it means they all play each other 3 times, and then another 5 games, so total of 38 games. When there were 10 teams, they played each other 4 times which meant 36 games, which is what happens in the 3 lower leagues. Obviously were they to do that in a 12 team league it's 44 which is too many. Not ideal but ...