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

Zack Kelly pitch tracking · pitchtracker

Outcome

Swinging strike
Called strike
Ball
Foul
In play

All pitches in 2026

Pitcher

Zack Kelly pitch tracking

RHP · BOS · debut 2022

Boston Red Sox

Season

Arsenal

Cutter90.6 mph44% (124)
Sweeper81.6 mph22% (62)
Sinker95.9 mph17% (48)
Four-Seam96.1 mph14% (39)
Changeup83.6 mph4% (10)

Pitch type

Outcome

At-bat result

Batter side

Game

All pitches in 2026

Rendering 283 pitches