FORT is a historical sim that uses random player debut, and just switched over to OOTP25. We are in 1992 right now, having started this version in 1980, and sim a season in just over a real life month. This is a dedicated group that has stuck together a long time (some members remain from ~ 2004), but be warned that means some of them like to talk a lot of smack. We have 20 teams, and one open - the Detroit Tigers, who have made the playoffs for two years, and should be a reasonable bet to win 90-95 games and make the playoffs for another couple of years. The league mostly runs on Slack and Statsplus.
Here's us:
https://atl-02.statsplus.net/fort/
We have a bunch of house rules (like fixed finances at 150M) that are worth checking out:
https://atl-02.statsplus.net/fort/home/?page_id=15
DM me if interested!