THE BOOK--Playing The Percentages In Baseball

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Monday, September 24, 2007

WPA’s Cy Young

By Tangotiger, 03:32 PM

The same pitcher will have a different effectiveness as a starter or reliever. Essentially, as a starter, he’s pitching with one hand tied behind his back. You can’t just compare the relief stats to a starter without making an adjustment. And that adjustment is roughly .090 wins per game (or 9 innings, or .01 win per inning).

Therefore, when you look at WPA, add .01 win per inning as a starter, to compare to a reliever. The leaders in starter WPA (with IP in parens) are:

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September 24, 2007
WPA’s Cy Young

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Nov 26 17:52		Manny Acta says the words “PITCHf/x”
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THE BOOK--Playing The Percentages In Baseball

Monday, September 24, 2007

WPA’s Cy Young

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