Justin
Martinez
PAge : 25Throws : R
#63
Justin Martinez
Height : 6' 3" · Weight : 102 kg · Bats : R · Throws : R · MLB debut : 2023-07-07
Born in : Bonao, Dominican Republic
MLB record
| Year | Team | PJ | V | D | MPM | MJ | RB | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 | Arizona Diamondbacks | 15 | 3 | 1 | 2.03 | 13.1 | 18 | 1.13 |
| 2025 | Arizona Diamondbacks | 17 | 1 | 2 | 4.11 | 15.1 | 22 | 1.24 |
| 2024 | Arizona Diamondbacks | 64 | 5 | 6 | 2.48 | 72.2 | 91 | 1.31 |
| 2023 | Arizona Diamondbacks | 10 | 0 | 0 | 12.60 | 10.0 | 14 | 2.40 |
| Career totals | 106 | 9 | 9 | 3.56 | 111.1 | 145 | 1.37 | |
ContractArizona Diamondbacks payroll →
- Type
- Extension
- Length
- 5 yrs · 2025–2029
- Total value
- 18.0 M$
- AAV
- 3.60 M$
2026
2.40 M$
Guaranteed
2027
3.40 M$
Guaranteed
2028
4.40 M$
Guaranteed
2029
5.90 M$
Guaranteed
2030
7.00 M$
Club option
2031
9.00 M$
Club option
Advanced stats, 2025Relief pitcherMLB stats →
ERA
4.11
FIP
4.05
xFIP
4.11
ERA-
97
WHIP
1.24
K%
32.8 %
BB%
17.9 %
Strikeouts
22
Innings
15.3
Wins
1
Stats: MLB (statsapi) and Baseball Savant.
2026 projectionMLB trends →
Projected WAR
0.3
Strikeouts
66
2025 WAR
0.1
This season's pace, over the average of the last two workloads, adjusted for next year's age.
Trend
→ Stable (-3)
- 20241.4 WAR · 1.3 per full season
- 20250.1 WAR
Outlook, age included
+22 · 23 y.o. · usually still improving
It is only a projection. It knows nothing about injuries, trades or role changes.
Player ratings, 2025All ratings →
Ratings from 0 to 100, computed from Statcast and MLB stats over four seasons, never by hand. 75 = established regular, 87 = 90th percentile, 95+ = elite.
OV · Overall
85
High-end
- VEL
- Velocity
- 96
- STF
- Stuff
- 83
- CTL
- Control
- 45
- CNT
- Contact allowed
- 97
- STA
- Stamina
- —
- DUR
- Durability
- 66
- EX
- Experience
- 47
Why these ratings?Hide details
- VEL — Velocity : Fastball velocity
- STF — Stuff : Strikeouts, K − BB
- CTL — Control : Walks avoided
- CNT — Contact allowed : xwOBA, barrels and hard-hit balls allowed
- STA — Stamina : Innings per start and innings pitched
- DUR — Durability : Games played over several seasons
- EX — Experience : Seasons in the majors
WAR and PAL Rating, 2025How we rate →
WAR is fWAR (FanGraphs' version, distributed through MLB's API): wins added above a replacement player. PAL Rating scores performance from 0 to 100 against regulars in the same role (50 = median).
PAL: dimensions
A pitcher's WAR
Computed by MLB from FIP (strikeouts, walks, home runs). FIP: 4.05 · RA9-WAR: 0.0
StatcastStatcast leaderboards →
MLB's tracking of every ball, 2025 season. The percentile ranks the player among regulars in the role: 90th means better than 90% of them.
Fastball
100.0 mi/h
99th percentile
K%
32.8 %
94th percentile
BB%
17.9 %
0th percentile
xERA
3.21
81th percentile
xwOBA allowed
.280
81th percentile
Barrels allowed
3.3 %
97th percentile
| Season | Team | WAR | PAL | OV | Fastball | K% | BB% | xERA | xwOBA allowed |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | AZ | 0.1 | 68 | 85 | 100.0 | 32.8 | 17.9 | 3.21 | .280 |
| 2024 | AZ | 1.4 | 92 | 85 | 100.5 | 29.5 | 11.7 | 3.08 | .277 |
Game log, 2025
| Date | Opponent | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Jun 9 | vs SEA | 0.2 | 0 | 1 | 1 | 2 | 4.11 |
| Jun 4 | @ ATL | 1.2 | 0 | 1 | 4 | 4 | 3.68 |
| Jun 1 | vs WSH | 1.0 | 0 | 0 | 0 | 2 | 3.46 |
| May 26 | vs PIT | 1.0 | 0 | 0 | 0 | 1 | 3.75 |
| May 24 | @ STL | 1.0 | 2 | 2 | 1 | 2 | 4.09 |
| Apr 30 | @ NYM | 0.0 | 1 | 2 | 2 | 0 | 2.70 |
| Apr 27 | vs ATL | 1.0 | 1 | 1 | 2 | 0 | 0.90 |
| Apr 26 | vs ATL | 1.0 | 0 | 0 | 1 | 0 | 0.00 |
| Apr 23 | vs TB | 1.0 | 0 | 0 | 0 | 1 | 0.00 |
| Apr 17 | @ MIA | 0.1 | 0 | 0 | 1 | 1 | 0.00 |