- Add two teams.
- Expand rosters to 30 (yeah, league's gonna get watered down initially, but talent will eventually rise).
- Balance the schedule, leave interleague a "special" thing where you don't play everyone in the opposite league every year, but enough playing your own division so damn much.
- Every team has one alternate site game/series each year (Field of Dreams, Rickwood Classic, etc.)
- Salary floor.
- Combined domestic and international draft. Draft lottery for teams that don't make the owner's expanded playoffs, teams can't get back-to-back top 3 picks.
- Eliminate trading international spending.
- Eliminate the Competitive Balance Picks.
- Let teams have fun and really crack down on pitchers doing retaliation for HR celebrations. If Brad Keller pulled his same bullshit against Tim Anderson today, suspend him 15 games and actually make him miss starts. I don't care if it's harsh, send a message.
- Change the extra innings runner on second rule. Make it start in the 12th inning or later.
- Finally, if these changes don't jazz up the sport, beginning in 2030: