Justin Martinez | Arizona Diamondbacks
MLB Player
Justin Martinez
Arizona DiamondbacksHeight6' 3"Weight225 lbsAge25Experience4th Season
0SVTied-261st
2.03ERA
18KTied-529th
1.13WHIP
Player Information
PositionRelief Pitcher
Jersey#63
Date of Birth30/7/2001
BirthplaceBonao, Dominican Republic
Experience4th Season
Bats / ThrowsRight/Right
MLB Debut2023
StatusActive
Next Game
More Arizona Diamondbacks Players
Season, Postseason & Career
| Split | GP | GS | CG | SHO | IP | H | R | ER | HR | BB | K |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular Season | 15 | 0 | 0 | 0 | 13.1 | 5 | 5 | 3 | 0 | 10 | 18 |
| Career | 106 | 0 | 0 | 0 | 111.1 | 84 | 53 | 44 | 5 | 69 | 145 |
Pitching by Season
| Season | GP | GS | W | L | W% | WAR | ERA | WHIP | IP | K | BB | K/BB | H | R | ER | SV | HLD | BLSV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 10 | 0 | 0 | 0 | .000 | -0.5 | 12.60 | 2.40 | 10.0 | 14 | 11 | 1.3 | 13 | 14 | 14 | 1 | 0 | 0 |
| 2024 | 64 | 0 | 5 | 6 | .455 | 2.0 | 2.48 | 1.31 | 72.2 | 91 | 36 | 2.5 | 59 | 26 | 20 | 8 | 9 | 2 |
| 2025 | 17 | 0 | 1 | 2 | .333 | 0.2 | 4.11 | 1.24 | 15.1 | 22 | 12 | 1.8 | 7 | 8 | 7 | 5 | 4 | 1 |
| 2026 | 15 | 0 | 3 | 1 | .750 | 0.2 | 2.03 | 1.13 | 13.1 | 18 | 10 | 1.8 | 5 | 5 | 3 | 0 | 2 | 0 |
| Career | 106 | 0 | 9 | 9 | .500 | -- | 3.56 | 1.37 | 111.1 | 145 | 69 | 2.1 | 84 | 53 | 44 | 14 | 15 | 3 |
Opponent Batting by Season
| Season | P | TBF | P-TBF | OBA | OOBP | OSLUG | OOPS | 2B | 3B | HR | TB | RBI | BH | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 236 | 57 | 4.140 | .295 | .456 | .523 | .979 | 2 | 1 | 2 | 23 | 12 | 2 | 0 | 0 | 1 |
| 2024 | 1177 | 308 | 3.821 | .221 | .316 | .288 | .604 | 10 | 1 | 2 | 77 | 26 | 2 | 1 | 2 | 6 |
| 2025 | 269 | 67 | 4.015 | .135 | .328 | .231 | .559 | 2 | 0 | 1 | 12 | 6 | 3 | 0 | 0 | 1 |
| 2026 | 232 | 55 | 4.218 | .116 | .291 | .163 | .454 | 0 | 1 | 0 | 7 | 2 | 1 | 0 | 1 | 0 |
| Career | 1914 | 487 | 3.930 | .207 | .331 | .293 | .624 | 14 | 3 | 5 | 119 | 46 | 8 | 1 | 3 | 8 |
Expanded Pitching by Season
| Season | P/S | P/I | K/9 | QS | CG | SHO | GSC | GB | FB | G/F | IR | IRS | WP | BK | SB | CS | RSUP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 0.0 | 23.6 | 12.6 | 0 | 0 | 0 | 0.0 | 14 | 16 | 0.9 | 5 | 2 | 1 | 0 | 0 | 0 | 0.0 |
| 2024 | 0.0 | 16.2 | 11.3 | 0 | 0 | 0 | 0.0 | 108 | 71 | 1.5 | 19 | 7 | 8 | 1 | 2 | 1 | 0.0 |
| 2025 | 0.0 | 17.5 | 12.9 | 0 | 0 | 0 | 0.0 | 17 | 13 | 1.3 | 8 | 1 | 2 | 0 | 0 | 0 | 0.0 |
| 2026 | 0.0 | 17.4 | 12.2 | 0 | 0 | 0 | 0.0 | 14 | 12 | 1.2 | 4 | 1 | 1 | 0 | 3 | 2 | 0.0 |
| Career | 0.0 | 17.2 | 11.7 | 0 | 0 | 0 | 0.0 | 153 | 112 | 1.4 | 36 | 11 | 12 | 1 | 5 | 3 | 0.0 |
Game Log
| Game | Result | IP | H | R | ER | HR | BB | K | GB | FB | P | TBF | GSC | Dec | Rel | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 @ SD2026 Regular Season | L 9-4 | 0.1 | 0 | 3 | 3 | 0 | 4 | 0 | 0 | 1 | 22 | 5 | 0.0 | L(3-1) | - | 2.03 |
| @ SD2026 Regular Season | L 10-7 | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 16 | 3 | 0.0 | - | - | 0.00 |
 @ COL2026 Regular Season | W 5-3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 8 | 2 | 0.0 | - | HLD(2) | 0.00 |
 vs NYY2026 Regular Season | W 8-4 | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 12 | 3 | 0.0 | W(3-0) | - | 0.00 |
| vs NYY2026 Regular Season | W 5-3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 2 | 0.0 | - | - | 0.00 |
 vs MIA2026 Regular Season | L 4-2 F/11 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 10 | 3 | 0.0 | - | - | 0.00 |
| vs MIA2026 Regular Season | W 8-7 | 1.0 | 2 | 0 | 0 | 0 | 1 | 1 | 3 | 1 | 17 | 6 | 0.0 | - | - | 0.00 |
 vs TEX2026 Regular Season | W 9-1 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 9 | 3 | 0.0 | - | HLD(1) | 0.00 |
 @ KC2026 Regular Season | W 5-4 F/10 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 20 | 4 | 0.0 | W(2-0) | - | 0.00 |
 @ HOU2026 Regular Season | L 3-1 | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 11 | 3 | 0.0 | - | - | 0.00 |
 vs PHI2026 Regular Season | L 7-1 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 21 | 5 | 0.0 | - | - | 0.00 |
 @ SF2026 Regular Season | L 7-2 | 0.2 | 0 | 2 | 0 | 0 | 1 | 2 | 1 | 0 | 25 | 4 | 0.0 | - | - | 0.00 |
 vs CHC2026 Regular Season | W 5-4 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 17 | 3 | 0.0 | W(1-0) | - | 0.00 |
 vs CIN2026 Regular Season | W 9-0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 20 | 4 | 0.0 | - | - | 0.00 |
 @ BOS2026 Regular Season | L 9-4 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 19 | 5 | 0.0 | - | - | 0.00 |