GamerZap

The folks at Dave Koch Sports take sports simulations --very-- seriously.  Action! PC Baseball is loaded with every available statistic and a set of subjective player ratings that make it one of the most comprehensive baseball simulations available for the PC.  Play single games, play entire seasons, set up your own leagues, play over the internet...these are just some of the hundreds of options available in the game (go visit their excellent web site to get all the details - be prepared to spend some time).