I played this a year or so ago and dropped it because of the lack realism, specifically:
1) no substitutions at all. No pinch hitters, no defensive replacements.
2) Teams were going through the season with 4 or 5 starters pitching 95% of all innings.
3) You could play without a catcher in your lineup, that is, put another hitter in that slot and don't worry about it.
Any of this changed?