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

William Kempner strikeouts in 2026 · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All strikeouts in 2026

Pitcher

William Kempner pitch tracking

RHP · MIA · debut 2026

Miami Marlins

Season

Arsenal

Four-Seam96.0 mph100% (5)

Pitch type

Outcome

At-bat result

Batter side

Game

Rendering 5 pitches

All strikeouts in 2026