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Wednesday, March 20, 2019

FanGraphs Pitch Framing

In 2008, when Dan Turkenkopf was the first to quantify the value of pitch framing, he noted that it appeared to be alarmingly important. Bill Letson was similarly astounded when he calculated the size of the effect in 2010. Max Marchi and Mike Fast each took a turn in 2011, finding large and highly correlated catcher values despite using different methods. Other sabermetric luminaries have contributed sophisticated methods and sanity checks, some of which I’ll touch on below. And yet, this terrifically important, seemingly well-established, and impressively repeatable defensive skill has been left out when calculating FanGraphs player WAR and ignored when Steamer forecasts pitchers and catchers. . . until now…..

 

RoyalsRetro (AG#1F) Posted: March 20, 2019 at 06:35 PM | 1 comment(s) Login to Bookmark
  Tags: pitch framing

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   1. cardsfanboy Posted: March 20, 2019 at 09:08 PM (#5824162)
I'm a huge fan of pitch framing data, still do not support the run methodology at all... you can't use a per pitch run methodology in conjuction with a per result run methodology, those are two different animals, and you would have to do a isht ton of regression to the per pitch methodology too apply it to the per event methodology.


Still great article.

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