I'm still tweaking right now, but I also wanted to start a discussion on what (again) is wrong with the AI in MLB2K9. It's obvious to the naked eye the AI swings too much at the plate, and all we can do at this point is hope that VC will be able to patch this issue.
Let's start with this chart:
<iframe width='500' height='250' frameborder='0' src='http://spreadsheets.google.com/pub?key=pFLe20s9yWG7R5VJ9PPtADA'></iframe>
These are the stats I've collected so far with 2K9. It's still not enough, but a trend is already showing. Let me say before I get trashed on it, that I pitch very carefully and IMO do a good job of mixing up pitches and throwing to corners. Also I use the IE chart religiously when throwing.
The first thing that sticks out is the AI is swinging at too many pitches. This we already know, but here's proof that they are swinging about 7.5% too much. Another thing that sticks out, is again this year there aren't enough foul balls from the CPU. 22% too few. Something like this kills realism and lowers the pitch counts for the human pitchers. Also, combined with too many swings, you can also see they don't take enough pitches for strikes either..again known, but shown here for proof.
Basically, my gripe here is again with the lack of foul balls. If VC/2K would simply increase the amount of foul balls from the AI, it would solve a large problem and make the game much more realistic. There are of course other problems with the AI pitching, but work might be possible on that.
The main problem, is the reliance on Inside Edge and it's interface with the game. Even if it does get fixed, there could be other problems that crop up. I have to say I don't understand why the great sliders we had with 2K8 weren't kept for use in this game? They really just needed some tweaking/fixing by VC to make them work properly and we had all the tools needed to fix any problems that might've arisen from the game.
So let's keep our fingers crossed for the patch, but I hope someone from VC will take the time to understand the data I've shown so far (and I'll update it as I keep collecting it) and use it to realize what needs to be done to improve realism for patch #2.
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Edit: Updated stats. Had a slight error in one calculation for the pitches swung at. It's actually worse than I said. Not 7%, but 17% too much swung at.

I made a point of playing a couple games with it at 50 and with it at 100. At 50, there wasn't much difference, but I wasn't getting as many misses from the AI. At 100, they didn't seem to miss anything, except those damned curve balls...and the hits where flying all over the place. I still think it's better at 0, as long as you don't abuse the curve ball too much.
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