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Justin Martinez
Justin Martinez
Aguilas Cibaenas • Pitcher
Age 25 • 6' 3" • 225 lb
Bats: R • Throws: R
MLB Debut: 2023-07-07
Born: Bonao • Dominican Republic
2026 Stats
W
3
L
1
ERA
2.03
WHIP
1.13
IP
13.1
SO
18
SV
0
HLD
2
G
15
GS
0
Career Stats
W
9
L
9
ERA
3.56
WHIP
1.37
IP
111.1
SO
145
SV
14
HLD
15
G
106
GS
0
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2023 AZ 10 — 10.0 — — 1 14 12.60 2.40
2024 AZ 64 — 72.2 5 6 8 91 2.48 1.31
2025 AZ 17 — 15.1 1 2 5 22 4.11 1.24
2026 AZ 15 — 13.1 3 1 — 18 2.03 1.13
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2023 AZ 7—6.2 1—19 5.401.50
2024 AZ 5—5.0 ———7 3.601.80
2025 AZ 10—8.2 11—13 6.231.15
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-09-27 @ SD 0.1 0 3 3 4 0 0
2026-09-26 @ SD 1.0 0 0 0 0 2 0
2026-09-23 @ COL 0.2 0 0 0 0 1 0
2026-09-20 vs NYY 1.0 0 0 0 0 2 0
2026-09-19 vs NYY 0.2 0 0 0 0 0 0
2026-09-15 vs MIA 1.0 1 0 0 0 1 0
2026-09-14 vs MIA 1.0 2 0 0 1 1 0
2026-09-11 vs TEX 1.0 0 0 0 0 3 0
2026-09-07 @ KC 1.0 0 0 0 1 1 0
2026-09-04 @ HOU 1.0 0 0 0 0 2 0
2026-09-01 vs PHI 1.0 1 0 0 1 1 0
2026-08-29 @ SF 0.2 0 2 0 1 2 0
2026-08-25 vs CHC 1.0 1 0 0 0 1 0
2026-08-21 vs CIN 1.0 0 0 0 1 1 0
2026-08-18 @ BOS 1.0 0 0 0 1 0 0
Transactions
Entire history • newest first.
2026-08-17
Arizona Diamondbacks activated RHP Justin Martinez from the 60-day injured list.
2026-08-11
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Reno Aces.
2026-08-11
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Reno Aces.
2026-08-04
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Visalia Rawhide.
2026-08-04
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Visalia Rawhide.
2026-02-14
Arizona Diamondbacks placed RHP Justin Martinez on the 60-day injured list. Recovery from right ulnar collateral ligament surgery.
2025-11-06
Arizona Diamondbacks activated RHP Justin Martinez from the 60-day injured list.
2025-06-15
Arizona Diamondbacks transferred RHP Justin Martinez from the 15-day injured list to the 60-day injured list. Right UCL sprain.
2025-06-10
Arizona Diamondbacks placed RHP Justin Martinez on the 15-day injured list. Right UCL sprain.
2025-05-23
Arizona Diamondbacks activated RHP Justin Martinez from the 15-day injured list.
2025-05-20
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Reno Aces.
2025-05-20
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to Reno Aces.
2025-05-17
Arizona Diamondbacks sent RHP Justin Martinez on a rehab assignment to ACL D-backs.
2025-05-01
Arizona Diamondbacks placed RHP Justin Martinez on the 15-day injured list. Right shoulder inflammation.
2025-04-16
RHP Justin Martinez changed number to 63.
2025-04-15
RHP Justin Martinez changed number to 42.
2024-04-23
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2024-04-21
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2024-04-17
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2024-03-10
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2023-11-02
Arizona Diamondbacks activated RHP Justin Martinez.
2023-09-27
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2023-08-26
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2023-08-17
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2023-07-22
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2023-07-07
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2023-06-29
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2023-06-27
Arizona Diamondbacks recalled RHP Justin Martinez from Reno Aces.
2023-03-14
Arizona Diamondbacks optioned RHP Justin Martinez to Reno Aces.
2022-11-15
Arizona Diamondbacks activated RHP Justin Martinez.
2022-11-15
Arizona Diamondbacks selected the contract of RHP Justin Martinez from Reno Aces.
2018-03-05
Arizona Diamondbacks signed free agent RHP Justin Martinez to a minor league contract.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
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Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
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Notes
Primary pitch summary
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Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
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