Pitch Tunneling
Also known as: tunneling
Pitch tunneling is the principle of releasing multiple pitch types through the same visual "tunnel" early in flight so they look identical until they diverge near the plate, too late for the hitter to adjust.
A hitter must commit to swinging before the ball reaches the halfway point of its flight. If a rise ball and a drop ball both pass through the same zone three feet in front of the pitcher, the hitter can't distinguish them until after the decision point. Tunneling means optimizing release point and trajectory so the first half of flight is identical; the break happens in the decision-making dead zone. Pitchers who tunnel well can have pitches that statistically move opposite directions yet look the same out of the hand.
Example
The pitcher's rise ball and changeup both appear knee-high at the decision point; by the time they diverge — one finishing at the letters, one off the plate — the hitter has already committed.
Related terms
- Pitch SequencingPitch sequencing is the deliberate ordering of pitches across an at-bat — using pitch type, speed, location, and movement to set up and exploit a hitter's reactions.
- Pitching DeceptionPitching deception is the set of techniques a pitcher uses to disguise pitch type and location — including consistent arm speed, same release point, and minimizing tell-tale grips — to delay or confuse the hitter's read.
- Pitch LocationPitch location is where in (or out of) the strike zone the pitcher places the ball — the combination of horizontal quadrant and vertical height that makes a pitch effective or hittable.
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