Quote:
Originally Posted by Argonaut
Just to clarify, the hidden boost that switch-hitters get is from the pitcher platoon splits.
If every pitcher had an over-the-top arm slot and perfectly neutral splits, then a switch-hitter would perform exactly the same as a RHB or LHB with equal ratings.
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The Reds rotation is the most interesting because it is all right handers, you don't have the possibility of really banging up on the more advantageous split is making for up doing worse against having to take the less advantageous split at times. So we should have expected a better switch OPS over right but there is no reason to expect a better switch than left against the reds. If he is batting left all the time it should be about the same as being a lefty. The .008 difference isn't huge though it is about .9% difference (.912-.904)/.904.
Bullpen? Is it is mixed or does it reflect the starting rotation?
It seems a better test would be to duplicate the same pitcher who has different left and right splits or maybe 2, one for starters and one for bullpen, then run the difference between left, right, and switch maybe for the whole test team who will face them or even for both teams. Essentially a 2 team league with a neutral park. Both teams could have 1 starter duplicated to make a 5 man rotation and 1 bullpen pitcher duplicated to fill out the bullpen. Then you could test one or all the hitters against the 1 or 2 man pitching staffs. Ideally one team would have a stronger right handed split pitcher or pitchers and one a stronger left handed spilt so one team faces the same righty and one faces the same lefty.