SPECULATOR: Playing with QBaB leaderboards
Jun 15 2022
Our Quality of Batted Balls (QBaB) metric, which debuted in the 2022 Baseball Forecaster, boils down the Statcast measures of exit velocity and launch angle to a simple three-digit code for every hitter. The original research from Arik Florimonte can be found here and QBaB's A-F grade thresholds for exit velocity, launch angle, and launch angle tightness are shown below:
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QBaB Leaderboard updated through July 28, 2022: QBaB Leaderboard
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Last year, Arik looked at how quickly QBAB scores for exit velocity became meaningful and found that for any sample size, a QBaB “A” for Exit Velocity (EV) is correlated with improved QBaB scores over the next 25 Batted balls (1-2 weeks), an "F" portends worse results, and a QBaB EV score of...
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