20 teams, 2 subleagues.
Sub league 1 : 1 divisions of 8 teams -> 8 teams
Sub league 2 : 2 divisions of 6 teams -> 12 teams
154 game schedule. interleague allowed. having all-star break!
On sat / sun games day, othes night.
Sub league 1
play own league 16 times(8H, 8A) 7 teams * 16 times = 112 games
play interleague
3 teams (any 3 of 12) * 3 times(3H) = 9 games
3 teams (any 3 of 12) * 3 times(3A) = 9 games
6 teams (any 6 of 12) * 4 times(2H,2A) = 24 games
Sub league 2
play own division 18 times (9 H, 9 A) 5 teams * 18 times = 90 games
play other division 6 times (3 H, 3 A) 6 teams * 6 times = 36 games
play interleague
2 teams (any 2 of 8) * 3 times(3H) = 6 games
2 teams (any 2 of 8) * 3 times(3A) = 6 games
4 teams (any 4 of 8) * 4 times(2H,2A) = 16 games
Thanks in advance!