http://mlb.mlb.com/news/article.jsp?ymd=20090920&content_id=7060926&vkey=news_mlb&fext=.jsp&c_id=mlb
Gist of the article: There's a debate in baseball circles, with well known baseball men coming down on both sides of it, that says that the way we do September callups could stand to be changed.
The general point of the detractors from the current system is that that in what's often the most important games of the year instead of 25 men against 25 men we're allowing imbalances in manpower, like say 35 players on one team, 29 on the other, and both teams can use every player if they decide to.
I'm not sure which side I stand here. I'm not wild about expanded rosters in the middle of the stretch run because it changes the character of teams and their strategies, sometimes dramatically. Also means that sometimes the games at the most exciting times of the year drag on and on and ON and on and ON and on and on because of all the relief pitchers and pinch hitters teams have at their disposal. On the other hand, this is baseball, you can count the number of meaningful changes adopted to the sport over the last century on one hand, and I'm just not sure this is enough of a problem to be worth fixing
My big question has more to do with exactly why we're doing this whole thing in September instead of rearranging the minor league season so we can spend a month with 40 man big league rosters in April. I'd rather have the 40 man rosters in April, in the coldest, most unpredictable injury-plagued month and let the rundown to October be a true winnowing out process.