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THE BOOK--Playing The Percentages In Baseball

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Friday, August 06, 2010

The Impact of Pitch Counts and Days of Rest on Performance

By Tangotiger, 10:14 AM

JC and Forman’s paper.

When Woolner studied the issue (using 1970s-80s data I believe), he found that pitchers pitched better on shorter rest.  When I studied the issue (using 1999-2002 data), I found they pitched better on longer rest.  The conclusion may be simply that pitchers pitch better based on how they are conditioned to pitch.

JC and Sean are looking at 1989-2009 data, so it will be interesting to see what kind of results they get.  Time to read the paper now…

UPDATE: Their presentation slide actually does a much better job (to me) of demonstrating their findings than their paper

(30) Comments • 2010/10/19 • SabermetricsPitchers
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August 06, 2010
The Impact of Pitch Counts and Days of Rest on Performance