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Thursday, February 04, 2010

Linear Weights by Strike Zone location

By Tangotiger, 02:40 PM

Fantastic job by Jeremy.  How is it possible that a pitch down the middle can generate negative runs for any hitter:

Name     Runs     Swings
Prince Fielder     30.7     249
Mark Teixeira     29.9     294
Ryan Braun     29.6     281
Adam Dunn     25.3     294
Andre Ethier     25.2     323
Augie Ojeda     
-10.9     128
Nick Punto     
-11.3     191
Luis Rodriguez     
-11.8     129
Ty Wigginton     
-12.0     219
Dioner Navarro     
-13.1     174

So, Nick Punto, at 191 swings, is -11.3 runs, or -6 runs per 100 swings.  I get the feeling that on swings that are NOT down-the-middle that Punto is better.  Anyway, just great stuff overall.

It’s important to note that while a pitcher will NEVER intend to throw a pitch down the middle (except maybe at 3-0 to weak hitters), they still end up doing it often enough that the big boppers get to swing at such a pitch three HUNDRED times (basically, in half a hitter’s plate appearances, he will get to swing at a pitch down the middle, hence the conventional wisdom to wait a pitch you can drive). 

And this is what MGL is talking about in terms of separating intent of pitcher from result of pitcher. 

(6) Comments • 2010/02/04 • SabermetricsBall_Tracking
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February 04, 2010
Linear Weights by Strike Zone location