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Justin Martinez

#63 - Relief Pitcher

Arizona Diamondbacks

Bats / Throws Right / Right
Date of Birth 7/30/2001 (25)
Height, Weight 6'3", 225 lb
Hometown Bonao, DOM

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 11.1 0.00 0.97 33.3% 13.3%
219th 3
Sv
351st 51.0
IP
1st 4.20
ERA
20th 1.35
WHIP
14th 22.6%
K%
306th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
101.6 11.8% 31.2% 55.9% 6.5% 4.88 3.67
1st 94.7
FB MPH
181st 12.1%
SwStr%
56th 28.5%
CSW%
32nd 51.2%
Str-ICR
310th 4.7%
MTK%
218th 4.94
PLV
214th 3.50
PLA
Saves List
Rank
32nd
Holds List
Rank
11th
Saves+Holds List
Rank
24th

Articles

9/21/2026Fantasy Baseball Relief Pitcher Roundup: 9/20Rick Graham

9/20/2026Fantasy Baseball Relief Pitcher Roundup: 9/19Rick Graham

9/17/2026Justin Martinez Is Stepping on the GasAnthony Licciardi

9/16/2026Fantasy Baseball Relief Pitcher Roundup: 9/15Rick Graham

9/15/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/15Rick Graham

See More Articles
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Justin Martinez Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2023 ARI 10 0 10.0 0-0 1 0 12.60 2.40 6.62 6.96 6.90 5.94 24.6% 19.3% 11.7 1.80 .393 20.0% 51.7% 40.0% 43.3% 13.1% 28.8% 0.43 4.77
2024 ARI 64 0 72.2 5-6 8 9 2.48 1.31 3.04 2.58 2.92 3.20 29.5% 11.7% 7.3 0.25 .324 9.5% 75.4% 31.8% 60.1% 16.3% 31.9% 0.60 5.04
2025 ARI 17 0 15.1 1-2 5 4 4.11 1.24 3.85 4.06 3.85 5.09 32.8% 17.9% 4.1 0.59 .207 25.0% 68.0% 23.3% 53.3% 14.1% 33.1% 0.58 4.49
2026 ARI 12 0 11.1 3-0 0 1 0.00 0.97 1.69 2.29 3.58 3.67 33.3% 13.3% 4.0 0.00 .217 0.0% 83.3% 17.4% 60.9% 11.8% 31.2% 0.58 4.88
RP MLB Percentile 3 0 0 52-85 0 17 100 94 99 97 81 39 96 13 99 98 93 98 92 100 96 48 84 77 34
RP MLB AVG 41 2 51.0 3-3 3 7 4.20 1.35 4.20 4.19 4.25 3.50 22.6% 9.8% 8.3 1.10 .291 17.7% 72.7% 36.8% 44.0% 12.1% 28.5% 0.50 4.94
Career 103 0 109.1 9-8 14 14 3.38 1.36 3.34 3.16 3.48 3.76 29.8% 13.6% 6.9 0.41 .309 12.2% 71.3% 30.5% 57.5% 15.1% 31.6% 0.57 4.91

Justin Martinez Repertoire

2023 2024 2025 2026 All
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Justin Martinez Game Log

Justin Martinez Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2023 ARI 10 0 10.0 0-0 0 1 0 236 131 105 57 13 8 2 1 2 14 11 2 1
2024 ARI 64 0 72.2 5-6 0 8 9 1,177 743 434 308 59 46 10 1 2 91 36 2 8
2025 ARI 17 0 15.1 1-2 0 5 4 269 153 116 67 7 4 2 0 1 22 12 3 2
2026 ARI 12 0 11.1 3-0 0 0 1 186 112 74 45 5 4 0 1 0 15 6 1 1
RP MLB Percentile 3 0 0 52-85 0 0 17 0 0 100 0 100 100 99 21 98 4 97 64 49
RP MLB AVG 41 2 51.0 3-3 0 3 7 853 546 308 219 46 31 9 1 6 50 21 3 2
Career 103 0 109.1 9-8 0 14 14 1,868 1,139 729 477 84 62 14 3 5 142 65 8 12

Justin Martinez Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2023 ARI 24.6% 19.3% .295 .523 .979 .420 .393 .433 .263 .387 .343 .442 84.7 88.5 8.3 6.62
2024 ARI 29.5% 11.7% .221 .288 .604 .269 .324 .331 .216 .263 .318 .319 85.2 81.8 -0.6 3.04
2025 ARI 32.8% 17.9% .135 .231 .559 .270 .207 .233 .186 .301 .299 .337 79.0 81.8 5.7 3.85
2026 ARI 33.3% 13.3% .135 .189 .456 .224 .217 .217 .116 .203 .187 .184 85.8 81.5 1.6 1.69
RP MLB Percentile 96 13 99 99 98 97 93 98 100 99 99 100 82 99 98 99
RP MLB AVG 22.6% 9.8% .241 .390 .714 .315 .291 .322 .235 .315 .280 .359 87.7 89.2 13.1 4.20
Career 29.8% 13.6% .210 .298 .628 .285 .309 .322 .208 .280 .307 .326 84.5 83.4 1.3 3.34

Justin Martinez Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2023 ARI60.2% (100.5)0.4% (99.1)-15.3% (89.1)---24.2% (88.9)- 60.6% 39.4%
2024 ARI11.5% (100.4)45.2% (100.2)-21.6% (89.8)---21.8% (89.8)- 56.7% 43.3%
2025 ARI20.8% (99.9)38.7% (99.3)-9.7% (91.2)---30.9% (87.9)- 59.5% 40.5%
2026 ARI36.6% (101.6)35.0% (101.8)-4.8% (93.2)---23.7% (90.2)- 71.5% 28.5%
RP MLB Percentile 42 (100) 73 (100) - 3 (99) - - - 68 (86) - 96.3% 3.4%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.8% (86.1) 21.0% (82.4) 15.5% (80.3) 17.5% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career21.5% (100.6)37.6% (100.2)-17.4% (89.9)---23.6% (89.4)- 59.0% 41.0%

Justin Martinez Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2023 ARI23.2% (9)100.0% (1)-36.1% (7)---36.8% (14)- 23.8% 36.6%
2024 ARI20.0% (19)30.5% (49)-40.6% (50)---32.8% (74)- 28.3% 36.7%
2025 ARI33.9% (12)30.8% (5)-26.9% (4)---37.3% (17)- 31.9% 34.9%
2026 ARI29.4% (9)30.8% (3)-44.4% (1)---31.8% (9)- 30.1% 34.0%
RP MLB Percentile 67 (82) 73 (73) - 99 (1) - - - 88 (44) - 72.1% 86.9%
RP MLB AVG 27.1% (31) 27.4% (13) 26.8% (14) 29.6% (27) 28.4% (19) 27.2% (15) 22.3% (20) 22.5% (20) 19.3% (9) 27.9% 28.8%
Career24.7% (49)30.6% (58)-39.1% (62)---34.1% (114)- 28.5% 36.2%

Justin Martinez Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2023 ARI 43.3% 20.0% 33.3% 3.3% 43.3% 30.0% 33.3% 36.7% 14.0% 60.0% 23.3% 13.3% 3.3% 40.0%
2024 ARI 60.1% 24.2% 11.8% 3.9% 29.2% 35.2% 36.3% 28.5% 16.0% 68.0% 24.7% 4.5% 2.8% 31.8%
2025 ARI 53.3% 20.0% 13.3% 13.3% 30.0% 46.7% 23.3% 30.0% 12.6% 76.7% 20.0% 0.0% 3.3% 23.3%
2026 ARI 60.9% 8.7% 26.1% 4.3% 13.0% 34.8% 39.1% 26.1% 16.7% 82.5% 13.0% 4.3% 0.0% 17.4%
RP MLB Percentile 96 100 66 5 100 13 89 56 27 100 99 72 99 100
RP MLB AVG 44.0% 21.7% 24.2% 10.1% 34.7% 41.0% 33.6% 25.4% 18.2% 62.9% 24.6% 5.8% 6.8% 36.8%
Career 57.5% 21.8% 15.7% 5.0% 29.5% 35.9% 34.7% 29.4% 15.3% 69.3% 23.0% 5.0% 2.7% 30.5%

Justin Martinez Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2023 ARI .295 .420 .393 .433 .263 .387 .343 .442 84.7 88.5 8.3 20.0% 40.0% 21.1%
2024 ARI .221 .269 .324 .331 .216 .263 .318 .319 85.2 81.8 -0.6 9.5% 31.8% 18.5%
2025 ARI .135 .270 .207 .233 .186 .301 .299 .337 79.0 81.8 5.7 25.0% 23.3% 10.4%
2026 ARI .135 .224 .217 .217 .116 .203 .187 .184 85.8 81.5 1.6 0.0% 17.4% 8.9%
RP MLB Percentile 99 97 93 98 100 99 99 100 82 99 98 98 100 100
RP MLB AVG .241 .315 .291 .322 .235 .315 .280 .359 87.7 89.2 13.1 17.7% 36.8% 24.4%
Career .210 .285 .309 .322 .208 .280 .307 .326 84.5 83.4 1.3 12.2% 30.5% 16.8%

Justin Martinez Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2023 ARI 36.0% 55.5% 39.8% 27.8% 33.0% 14.0% 67.0% 76.9% 54.8% 15.7% 13.1% 28.8% 12.7% 50.0% 0.43 45.3%
2024 ARI 45.0% 63.1% 47.5% 32.6% 34.3% 16.0% 65.7% 78.4% 44.5% 15.6% 16.3% 31.9% 15.2% 58.1% 0.60 53.4%
2025 ARI 45.0% 56.9% 37.9% 22.3% 37.3% 12.6% 62.7% 68.1% 51.5% 19.0% 14.1% 33.1% 11.2% 54.3% 0.58 51.7%
2026 ARI 51.1% 60.2% 40.9% 20.9% 28.9% 16.7% 71.1% 80.7% 42.1% 19.4% 11.8% 31.2% 12.4% 57.5% 0.58 55.9%
RP MLB Percentile 98 9 3 0 76 27 76 76 97 90 48 84 2 38 77 91
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.2% 74.4% 84.0% 58.5% 16.4% 12.1% 28.5% 17.1% 58.4% 0.50 51.2%
Career 44.5% 61.0% 44.5% 29.4% 34.1% 15.3% 65.9% 77.2% 46.6% 16.5% 15.1% 31.6% 14.0% 56.5% 0.57 52.4%

Justin Martinez Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2023 ARI 36.0% 46.6% 22.5% 30.9% 25.0% 23.7% 51.3% 33.1% 44.5% 6.8%
2024 ARI 45.0% 43.4% 24.7% 31.9% 29.7% 22.8% 47.5% 37.4% 37.9% 5.6%
2025 ARI 45.0% 43.1% 21.9% 34.9% 33.1% 25.3% 41.6% 43.1% 34.9% 5.9%
2026 ARI 51.1% 34.9% 18.3% 46.8% 38.2% 22.0% 39.8% 40.3% 41.4% 2.7%
RP MLB Percentile 98 52 100 90 62 60 45 98 34 0
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 44.5% 42.9% 23.4% 33.7% 30.5% 23.2% 46.4% 38.0% 38.7% 5.5%

Justin Martinez Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2023 ARI 53.4% 22.5% 25.8% 10.3% 44.6% 39.3% 15.1% 27.9% 23.0%
2024 ARI 60.5% 12.6% 29.1% 15.3% 62.6% 52.5% 19.8% 27.2% 26.6%
2025 ARI 59.9% 13.0% 28.6% 13.0% 53.7% 50.7% 21.7% 23.4% 28.6%
2026 ARI 57.5% 10.8% 31.7% 9.3% 64.4% 55.6% 28.0% 18.6% 25.4%
RP MLB Percentile 30 71 73 2 76 89 99 1 92
RP MLB AVG 58.6% 12.1% 29.9% 14.5% 61.1% 50.3% 21.2% 26.8% 19.3%
Career 59.2% 13.7% 28.9% 13.8% 59.4% 51.0% 20.3% 25.8% 26.3%

Justin Martinez PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2023 ARI 236 4.77 42.4% 15.7% 41.9% 0.4% 3.0% 7.4 +4 5.94
2024 ARI 1,177 5.04 46.7% 18.4% 34.8% 11.9% 3.8% -1.2 -1 3.20
2025 ARI 269 4.49 41.3% 13.4% 45.4% -4.1% 5.6% -4.1 -6 5.09
2026 ARI 186 4.88 44.6% 13.4% 41.9% 2.7% 6.5% -3.9 -5 3.67
RP MLB Percentile 0 34 35 3 6 6 11 74 73 39
RP MLB AVG 853 4.94 45.9% 17.4% 36.7% 9.2% 4.7% 0.7 0 3.50
Career 1,868 4.91 45.2% 16.9% 38.0% 7.2% 4.2% -1.8 -7 3.76
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