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

Zack Kelly (Boston Red Sox) MLB Statcast data · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All pitches in 2025

Pitcher

Zack Kelly MLB Statcast data

RHP · BOS · debut 2022

Boston Red Sox

Season

Arsenal

Cutter91.8 mph31% (182)
Sweeper81.8 mph20% (120)
Four-Seam96.1 mph20% (115)
Sinker96.1 mph15% (89)
Changeup83.1 mph12% (69)

All pitches in 2025

Curveball82.3 mph1% (6)

PO97.1 mph0% (1)

Pitch type

Outcome

At-bat result

Batter side

Game

Rendering 582 pitches

500 recent · 82 historical as paths