Arizona Diamondbacks · RHP

#: 63
Team: AZ · P
Debut: 2023 · 4 MLB seasons

Justin Martinez

Age 25

Size 6' 3" · 225

Throws RHP

Bats Right

From Bonao, Dominican Republic

Team profile →Rotation →

0.00

ERA

1.00

WHIP

0.0

K/9

9.0

BB/9

1.0

Innings

Starts

Justin Martinez season snapshot

ERA

0.00

WHIP

1.00

K/9

0.0

BB/9

9.0

HR/9

0.00

1.0

ERA in last 10 starts

No start data available.

Game log (last 10 starts)

Date	Opp	Result	IP	H	R	ER	BB	K	HR	Pitches	ERA

2026 season · last 10 starts

Pitch arsenal (2026)

Usage %Velocity

Four-seam FB

57.9%

100.5 mph

Splitter

21.1%

89.3 mph

Sinker

10.5%

100.9 mph

Slider

10.5%

92.6 mph

Hot / cold zones (vs RHB)

.000

Better than
MLB avg

Similar to
MLB avg

Worse than
MLB avg

Performance vs teams (2026)

TeamGSERA

Red Sox1

0.00

Monthly ERA (2026)

No monthly data for ERA.

Minimum 1 GS

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