STARTERS: Expected Ctl, WHIP surgers and faders

Our 2015 research on the ball and strike rates of starting pitchers found that there is a strong correlation between a SP's ball% and the number of walks he allows. As walks go up or down, so does WHIPso ball% also has a strong link to that category.

In fact, ball% provides the closest link to a pitcher's Ctl out of all indicators studied in that research.

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  For more information about the terms used in this article, see our Glossary Primer.