That other post about one division of nine teams got me thinking.
If the league is never going to add a tenth team,
why not make it three divisions of three?
During an 18-game regular season,
Each team could play division rivals 3x each (for a total of 6 games)
and non-division opponents 2x each (for a total of 12 games).
Each division winner would get a playoff berth and a first-round bye,
while two wild-card teams would have a play-in game.
Then the winning wild-card team would play at division champ 1,
and division champ 3 plays at division champ 2.