Pitch Tunneling
Also known as: tunneling, pitch tunnel
Pitch tunneling is the strategy of throwing different pitch types that share the same flight path early before diverging late — making it nearly impossible for the hitter to distinguish them in time.
Every pitch looks nearly identical for the first 15–20 feet from the release point; after that the ball has roughly 120–130 ms to diverge. The closer the ball gets to the plate before diverging, the less time the hitter has to adjust. Pitchers who tunnel well pair pitches with identical early trajectories — like a fastball and a changeup, or a fastball and a curveball — released from the exact same point. Tunneling is only possible with consistent release point and repeatable arm action.
Example
His four-seamer and curveball tunneled through the same spot 20 feet in front of the mound before splitting vertically by almost two feet at the plate.
Related terms
- Release PointRelease point is the precise spatial location in front of the body where the pitcher lets go of the ball — consistency here is the foundation of command.
- Pitching DeceptionPitching deception refers to any element of a pitcher's mechanics, grip, or delivery that delays or confuses the hitter's ability to identify the pitch type, speed, or location.
- Pitch SequencingPitch sequencing is the art of ordering pitches to exploit a hitter's tendencies and set up future offerings — making each pitch more effective because of what came before.
- Four-Seam FastballThe four-seam fastball is the most common pitch in baseball — gripped across all four seams — and is typically the hardest, straightest pitch a pitcher throws.
- CurveballThe curveball is an off-speed breaking pitch with topspin that makes it arc downward, often dramatically, as it crosses the plate.
- Changeup (Pitching)The changeup is an off-speed pitch thrown with fastball arm speed but held deeper in the hand to reduce velocity by 8–15 mph, disrupting timing.
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