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

William Kempner pitch tracking · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All pitches from 2026-06-15 vs Philadelphia Phillies

Pitcher

William Kempner pitch tracking

RHP · MIA · debut 2026

Miami Marlins

Season

Arsenal

Four-Seam96.1 mph33% (11)
Sweeper81.3 mph27% (9)
Sinker94.2 mph21% (7)
Cutter85.1 mph9% (3)
Changeup87.4 mph9% (3)

Pitch type

Outcome

At-bat result

Batter side

Game

Game line · 2026-06-15 vs Philadelphia Phillies

N/D

IP

2.1

K

2

BB

0

H

0

HR

0

XBH

0

ER

0

BF

8

Pitches

33

Strikes

23

Balls

10

Strike %

70%

Rendering 33 pitches

All pitches from 2026-06-15 vs Philadelphia Phillies