The pitching, fielding, and hitting stats are kept separate, and the W/L record is a pitching stat. I would keep it that way. The closest call I can see in that separation is when the pitcher makes an error. The error doesn’t count as a pitching stat, so it doesn’t affect the ERA. I can see an argument that a pitcher’s fielding errors should affect the ERA…but that’s another story.

One problem I see with your idea is that a pitcher could pitch very poorly but get the win because he had an RBI and the team later came back to tie and win the game, but with no thanks to the pitcher’s pitching. If hits can produces wins, why wouldn’t position player hitters be credited with wins? And why take the win away from a relief pitcher who may have pitched better than the starter and is more deserving of the win? Really, I think W/L records for pitchers aren’t all that useful because it is kind of arbitrary to begin with….so I’m not that keen on making it more than it is.

What I don’t like about your idea is that it assumes that the pitcher is not going to contribute anything before hand. Granted, we know that most pitchers are going to make an out 80-90% of the time before they step to the plate. However the reason that I like the NL in the first place is that the pitchers need to bat, they are expected to play the complete game. This is baseball and anything can happen.

I also don’t like the idea that a pitcher can get a win when the team loses. Yes it stinks when your pticher loses a win because of a crappy bulpen outing, but that is baseball. You have stats like “Quality Starts” that help you look at things like this.