Murphy: The filthiest pitches in baseball

From Blake Murphy at Beyond the Box Score on October 17, 2012:

As a follow up to my piece on Whiff Rate as a leading explanatory factor for strikeouts, I thought it would be interesting to look at which pitches caused the highest rates of Whiffs in baseball.

Since Ben at Baseball prospectus had already identified the surprising leaders and Jeff at Fangraphs identified the top pitch overall, my idea kind of evolved into highlighting the filthiest pitches in baseball in more broad terms rather than just with Whiff Rate.

As such, today I’ll take a look at each pitch type as classified by Brooks Baseball PitchFX, highlighting the pitchers who had the best fastball, slider and more, in terms of Pitch FX Horizontal Movement, Vertical Movement and Whiff Rate, as well as Fangraph’s Pitch Values.

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Originally published: October 17, 2012. Last Updated: October 17, 2012.