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Jim Furtado
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Positional Adjustments Newsbeat

Friday, October 27, 2017

We Need to Talk About Defense

Three whole days since this was published?? Come on, Baseball Think Factory, time to put aside your all-important OTP arguing and start thinking!

The reason that we have positional adjustments in WAR(P) is that we want to give a player credit for playing a difficult position. He might be an average defensive shortstop, but (we assume) if his team needed him to do it, he could be a somewhat above-average second baseman and a crackerjack left fielder. (Hanley Ramirez would like a word with you.) But if the sample that produced those adjustments is significantly biased and the main assumption—-that “defensive ability” is portable from place to place—-isn’t solid, then is that construct modeling reality or a convenient representation of what we thought reality was?


Bote Man Posted: October 27, 2017 at 03:40 PM | 28 comment(s)
  Beats: defensive metrics, positional adjustments, sabrmetrics




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