Explore · The zone
Where the calls go wrong
A pitch is a strike if any part of the ball touches the zone. These maps show where umpires disagree with the ABS ruling. Drag to zoom in and the density resolves into individual pitches — hover any dot for its details.
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Navy rectangle = a representative ABS zone. Drag a box to zoom → individual pitches appear; double-click to reset.
Overturn rate vs. distance from the edge
Negative distance means the ball overlapped the zone (a strike by ABS). The shaded band is the 95% Wilson interval. Noisy low-sample tails are trimmed.