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THE BOOK--Playing The Percentages In Baseball

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Thursday, September 16, 2010

Are these any different?

By , 10:01 PM

Pitcher A has exactly the same stats as Pitcher B over some period of time, and they are bad.  Pitcher A had one really horrible outing (actually pitched well otherwise) and Pitcher B did not (he was “consistently” bad).  The level of competition was exactly the same for both pitchers. In fact, both have exactly the same context.

Two questions:

Which pitcher “pitched better” for that period of time?  I realize that that may be subjective.

Which pitcher is more likely to pitch better in the future, by how much (approx.), and why?

(35) Comments • 2010/09/19 • SabermetricsPitchersStatistical_Theory
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September 16, 2010
Are these any different?