This is wonderful news. Great addition! I just was planning to start promotion&relegation league with ootp17 which is loosely based on "finnish baseball" system (
https://en.wikipedia.org/wiki/Pes%C3%A4pallo) which have 14-team first division, 12-team second division and big 3rd division. But i'll put that on hold until the release. So excited about this one.