More stats.
From BaseballProspectus.com:
Introducing StuffPro and PitchPro
For as complex as pitching is, it’s also surprisingly simple: Throw good pitches, get good results. But what defines a good pitch? Velocity, movement, location, and other variables all play roles, but condensing their impacts into a single number is difficult. Historically, teams have used a combination of scouting and on-field results to predict the quality of a pitch, but more recently they and the public have leveraged the incredible bulk of pitch data available to model the expected value of a pitch using nothing but its own characteristics and the context in which it was thrown.
We’re excited to announce the release of our own flavors of these Stuff and Pitch Quality metrics: StuffPro and PitchPro, which will be fully available on leaderboards and player cards beginning on April 1 (no foolin’). Although they resemble in many ways metrics you have seen from others, these metrics address issues we have flagged with other pitcher metrics, provide industry-leading performance, and along with established pitcher metrics like Deserved Run Average (DRA) and contextual FIP (cFIP), provide a spectrum of accuracy across which pitcher skill can be measured.
Maybe a whole book about these guys next year?
is available on Amazon.com,
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