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THE BOOK--Playing The Percentages In Baseball

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Tuesday, October 16, 2007

When to issue the intentional walk

By Tangotiger, 09:55 AM

Andy has an extended chart in The Book that tells you when you should issue a walk.  Here’s an interactive online tool from Josh Kalk that likely does something similar.  If someone wants to do a few comparisons between what Andy did and what Josh did, that’d be great.  Here, Josh takes a look at a few cases in the playoffs.  (Note: I think he may underestimate the win potential of the 3-1 count.)


#1    MGL      (see all posts) 2007/10/16 (Tue) @ 12:59

I would like to see the batter/pitcher variable of GDP included in any model.  I would think it is pretty important.  Managers certainly think it is.

Even in “The Book” Andy mentions it as an afterthought which I wasn’t thrilled with.


#2    Tangotiger      (see all posts) 2007/10/16 (Tue) @ 13:31

IIRC, Andy looked at it in the beginning, and then found that it wasn’t that important.  I’ll have to reread it.


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