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

Merrill Kelly pitch tracking · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All pitches in 2026

Pitcher

Merrill Kelly pitch tracking

RHP · AZ · debut 2019

Arizona Diamondbacks

Season

Arsenal

Four-Seam91.9 mph26% (250)
Changeup88.2 mph26% (247)
Cutter91.0 mph14% (135)
Slider86.3 mph13% (122)
Curveball82.1 mph10% (98)
Sinker92.4 mph9% (88)

All pitches in 2026

PO90.3 mph0% (2)

Pitch type

Outcome

At-bat result

Batter side

Game

Rendering 942 pitches

500 recent · 442 historical as paths