Inherent Platoon Split? Topic

avpelleg
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Has anyone found an additional platoon split, more than what the VL/VL rates say?

For example you have two identical batters with all 70s for CN/PW/VL/VR/EY. One hits Lefty, one hits righty. If they faced pitchers that had even VL/VL splits, would you expect them to post very similiar lines? Or would the lefty struggle more than the righty against lefties?

Edit: I did mean vL/vR splits for hitters, that's what I get for posting when I'm half asleep.
7/8/2011 4:52 PM (edited)
MikeT23
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Odds are the pitcher's VL is better if he's a lefty.
7/8/2011 6:54 AM
dedelman
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Posted by MikeT23 on 7/8/2011 6:54:00 AM (view original):
Odds are the pitcher's VL is better if he's a lefty.
+1. The average difference, at least in the world I bothered to calculate it in, is about 10.
7/8/2011 8:01 AM
soursurfer
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Posted by MikeT23 on 7/8/2011 6:54:00 AM (view original):
Odds are the pitcher's VL is better if he's a lefty.
Yep, but that's not what he's asking.  (At least I think.  Kind of a confusing post...did you mean vL/vR splits?)

Anyway, what I assume he was asking was if, given two players with equal ratings across the board, but different handedness, would they fare the exact same against pitchers with identical splits, regardless of the pitchers' handedness.  And the answer is, ignoring random chance, they would fare the same.

In other words, there is no built-in game logic that makes LH Ps more effective against LH batters--the reason most tend to be so in this game is that, as you pointed out Mike, the LH P overwhelmingly often feature a better split vL.

But, there are oddities out there.  Once had a LH SP with a better vR split.  And in this example, if the two identical batters were facing him, the LH batter would actually fare better more often due to this oddity.
7/8/2011 2:10 PM
dwoolery
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Posted by soursurfer on 7/8/2011 2:10:00 PM (view original):
Posted by MikeT23 on 7/8/2011 6:54:00 AM (view original):
Odds are the pitcher's VL is better if he's a lefty.
Yep, but that's not what he's asking.  (At least I think.  Kind of a confusing post...did you mean vL/vR splits?)

Anyway, what I assume he was asking was if, given two players with equal ratings across the board, but different handedness, would they fare the exact same against pitchers with identical splits, regardless of the pitchers' handedness.  And the answer is, ignoring random chance, they would fare the same.

In other words, there is no built-in game logic that makes LH Ps more effective against LH batters--the reason most tend to be so in this game is that, as you pointed out Mike, the LH P overwhelmingly often feature a better split vL.

But, there are oddities out there.  Once had a LH SP with a better vR split.  And in this example, if the two identical batters were facing him, the LH batter would actually fare better more often due to this oddity.
I'd like to know what you are basing this on, because I don't think it's correct. I haven't tried to quantify it like dedel has, but in my experience, the matchup of handedness is another modifier above and beyond what you would expect from the splits.
7/8/2011 4:41 PM
dedelman
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Actually, I've always assumed that soursurfer was right, and that the platoon advantage derived from the splits of the opposing pitcher; I use that to determine rest patterns. But now that I think about it, that's just an assumption I've made.
7/8/2011 5:09 PM
dwoolery
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Posted by dedelman on 7/8/2011 5:09:00 (view original):
Actually, I've always assumed that soursurfer was right, and that the platoon advantage derived from the splits of the opposing pitcher; I use that to determine rest patterns. But now that I think about it, that's just an assumption I've made.
Ahh, misread your post then. I'll do some digging around when I get a few minutes, or hopefully someone who's already done that will post before I roll up my sleeves.
7/8/2011 5:25 PM
dwoolery
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So, this is crude, but maybe is a start. Take Hardball Dynasty – Fantasy Baseball Sim Games - Player Profile: Vinny Jang

Has played his entire career in 3 relatively neutral parks, CLE, CHA, CLB. Bats Left. Slightly higher vL than vR. Over time . . . I think . . . you would expect his batting average vLHP to be a touch higher than vRHP if it's ONLY about the splits.

Results - vLHP, 577 hits over 2018 AB's for a .286 AVG
                 vRHP, 1035 hits over 3488 AB's for a .297 AVG.

I know, I know, lots of flaws in the "experiment", but it suggests to me at least the possibility that handedness impacts results above and beyond splits.
7/8/2011 6:05 PM
dedelman
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Doesn't get rid of the issue of higher splits faced on the same side hand.  Over the course of his life he's faced about a 10 point higher pitcher split against LHP than against RHP (because they've only used their VsL).  I haven't figured out a study design I like for this one, yet.
7/8/2011 9:23 PM
jlinchec
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Posted by dedelman on 7/8/2011 9:23:00 PM (view original):
Doesn't get rid of the issue of higher splits faced on the same side hand.  Over the course of his life he's faced about a 10 point higher pitcher split against LHP than against RHP (because they've only used their VsL).  I haven't figured out a study design I like for this one, yet.
How did you get that data?
7/13/2011 8:44 PM
dedelman
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The 10 points is from just taking all the pitchers in one of my worlds and averaging their split difference.

7/13/2011 10:57 PM
Inherent Platoon Split? Topic
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