Relegation would solve a lot of issues with relocation and teams in cities that can’t or won’t support them- a city like Austin rises, their ownership can funnel more to their team and rise as a place like Baltimore falls. If nyc can support four teams, great. It would be great for minor league towns because you can root for a promotion instead of hoping a parent club doesn’t pull your stars before playoffs they don’t care about. All of the sudden, you have real teams playing for something in every even moderately sized city