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Friday, December 18, 2009

Dart system… for pitchers

By Tangotiger, 03:40 PM

I have seen the future, and it is here.  Are you kidding me?  This kid did exactly what I’ve always wanted to do (had I cared about darts at all).  And, this is EXACTLY what I would do to help pitchers.

(I presume) This is what MGL’s been talking about with the PITCHf/x-ers, where you are looking at the resultant pitch location, rather than the intended pitch location.  We care about intent, and we care about the accuracy around that intent.

Ideally, a pitcher would signal to us his intended location after every pitch, and then, we’d be able to answer all of life’s questions.


#1    Greg Rybarczyk      (see all posts) 2009/12/18 (Fri) @ 18:37

No, *ideally* he’d mumble his intended pitch location into a little mouthpiece/tape recorder BEFORE he threw it. 

What someone says he meant to do, spoken after he tried to do it and maybe failed (but which perhaps also led to success, e.g. hung a curveball that the hitter whiffed on), would of course be utterly unreliable…

Cool idea, obviously.  Unfortunately, we’ll have to slot this one into the “when will it happen list” just behind my idea to have MLB paint radial and range lines on the outfield grass so we can tell exactly where the balls land…


#2    Craig      (see all posts) 2009/12/18 (Fri) @ 20:41

You’d want to convolute the pitcher heat chart with a corresponding batter heat chart and make your predictions accordingly.


#3    Tangotiger      (see all posts) 2009/12/18 (Fri) @ 21:16

Greg, back when they used the field for baseball and football, it was alot easier…


#4    Max      (see all posts) 2009/12/19 (Sat) @ 04:33

It was in my to-do list.
I read a similar article about darts in the Anthology of Statistics in Sports and had planned to translate it to baseball.


#5    Ken Arneson      (see all posts) 2009/12/19 (Sat) @ 07:40

You could put a little transmitter in the catcher’s glove, and use its location at release as a proxy for intent.  It wouldn’t be perfect, but it might provide some useful data.


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