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Dan Fox on PITCHf/x "pitch_type"

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Dan Fox on PITCHf/x
As I've noted a few times, the Gameday pitch ID's are a little odd. Not like mine are perfect, but one issue has been addressed, per Dan Fox at BP's Unfiltered Blog
as of this week I am happy to report that changes have been made to the system to restrict the repertoire for each pitcher, which should in large part solve the problem of a pitch being identified as one that the pitcher doesn’t actually throw.

I've recognized the importance of this when I, on occasion, apply criteria to all pitches to select, for example, curveballs. I end up with plenty of slurves, sliders and such. Now, if they could distinguish 4-seam from 2-seam fastballs, that would be great.
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