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Ask pitchtracker — natural-language pitch analysis (voice or text).

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Pitch trajectory and Statcast data: Baseball Savant. Player metadata, schedule, and headshots: MLB Stats API and mlbstatic.com.

Kai-Wei Teng pitch tracking · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All pitches in 2026

Pitcher

Kai-Wei Teng pitch tracking

RHP · HOU · debut 2024

Houston Astros

Season

Arsenal

Sweeper84.6 mph35% (269)
Four-Seam94.1 mph25% (190)
Sinker93.6 mph18% (134)
Curveball82.5 mph11% (80)
Changeup87.4 mph10% (76)
Slider85.7 mph1% (10)

All pitches in 2026

Pitch type

Outcome

At-bat result

Batter side

Game

Rendering 759 pitches

500 recent · 259 historical as paths