The mystery is why MLB continues to do nothing about the farce of September baseball. General managers have talked for years about moving to a designated daily roster of between 25-28 players. For instance, you can call up as many players as you want, but before each game you hand in an active roster. That way, at least both teams are playing with the same number of players, and nobody winds up with six left-handers in the bullpen. But for all the talk, nothing is ever done about it. I have not heard a single good argument for why it makes sense to keep the present system.