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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 13.1 2.03 1.13 32.7% 18.2%
221st 3
Sv
351st 52.0
IP
20th 4.21
ERA
72nd 1.34
WHIP
14th 22.7%
K%
347th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
101.6 11.6% 30.6% 53.0% 5.2% 4.75 4.35
1st 94.7
FB MPH
190th 12.2%
SwStr%
71st 28.5%
CSW%
98th 51.2%
Str-ICR
224th 4.7%
MTK%
312th 4.94
PLV
299th 3.56
PLA
Saves List
Rank
32nd
Holds List
Rank
11th
Saves+Holds List
Rank
24th

Articles

9/24/2026Fantasy Baseball Relief Pitcher Roundup: 9/23Rick Graham

9/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/22Rick Graham

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

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 15 0 13.1 3-1 0 2 2.03 1.13 1.97 2.87 4.33 4.35 32.7% 18.2% 3.4 0.00 .192 0.0% 68.8% 15.4% 53.8% 11.6% 30.6% 0.52 4.75
RP MLB Percentile 5 0 0 50-67 0 28 94 79 99 89 41 15 96 1 100 99 98 99 33 100 87 45 78 56 11
RP MLB AVG 42 2 52.0 3-3 3 7 4.21 1.34 4.17 4.18 4.25 3.56 22.7% 9.8% 8.3 1.09 .291 17.6% 72.4% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 106 0 111.1 9-9 14 15 3.56 1.37 3.34 3.22 3.57 3.84 29.8% 14.2% 6.8 0.40 .305 11.6% 70.1% 30.2% 56.8% 15.0% 31.6% 0.56 4.89

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 15 0 13.1 3-1 0 0 2 232 131 101 55 5 4 0 1 0 18 10 1 1
RP MLB Percentile 5 0 0 50-67 0 0 28 0 0 99 0 100 100 100 22 99 9 86 64 51
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 106 0 111.1 9-9 0 14 15 1,914 1,158 756 487 84 62 14 3 5 145 69 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 32.7% 18.2% .116 .163 .454 .234 .192 .192 .102 .219 .168 .166 86.2 84.2 7.0 1.97
RP MLB Percentile 96 1 100 100 99 96 98 100 100 99 100 100 76 95 85 99
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.17
Career 29.8% 14.2% .207 .293 .624 .285 .305 .318 .205 .280 .304 .323 84.6 83.8 1.9 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)35.8% (101.8)-4.3% (93.3)---23.3% (90.3)- 72.4% 27.6%
RP MLB Percentile 42 (100) 75 (100) - 2 (100) - - - 64 (86) - 96.6% 3.1%
RP MLB AVG 38.7% (94.7) 26.5% (94.1) 19.6% (89.4) 25.9% (86.1) 20.7% (82.3) 15.3% (80.3) 17.8% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career21.8% (100.6)37.6% (100.3)-17.0% (89.9)---23.5% (89.4)- 59.5% 40.5%

Justin Martinez Pitch › Results

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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 ARI28.2% (10)31.3% (4)-40.0% (1)---31.5% (12)- 29.8% 32.8%
RP MLB Percentile 58 (82) 75 (68) - 95 (1) - - - 88 (39) - 71.5% 81.5%
RP MLB AVG 27.2% (32) 27.6% (13) 26.9% (15) 29.7% (28) 28.4% (20) 27.3% (15) 22.4% (21) 22.7% (21) 19.3% (9) 27.9% 28.8%
Career24.6% (50)30.7% (59)-39.0% (62)---34.0% (117)- 28.5% 36.1%

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 53.8% 7.7% 30.8% 7.7% 11.5% 30.8% 42.3% 26.9% 14.7% 84.6% 11.5% 3.8% 0.0% 15.4%
RP MLB Percentile 87 100 90 29 100 2 96 63 4 100 100 79 99 100
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 56.8% 21.6% 16.3% 5.3% 29.2% 35.5% 35.1% 29.4% 15.1% 69.7% 22.7% 4.9% 2.7% 30.2%

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 .116 .234 .192 .192 .102 .219 .168 .166 86.2 84.2 7.0 0.0% 15.4% 7.3%
RP MLB Percentile 100 96 98 100 100 99 100 100 76 95 85 99 100 100
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .207 .285 .305 .318 .205 .280 .304 .323 84.6 83.8 1.9 11.6% 30.2% 16.4%

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 47.0% 56.5% 37.5% 19.5% 31.0% 14.7% 69.0% 81.0% 37.5% 19.0% 11.6% 30.6% 11.2% 54.3% 0.52 53.0%
RP MLB Percentile 79 0 0 0 86 4 86 76 99 89 45 78 0 6 56 71
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.3% 0.50 51.2%
Career 44.1% 60.5% 44.0% 29.0% 34.2% 15.1% 65.8% 77.3% 46.1% 16.5% 15.0% 31.6% 13.8% 56.1% 0.56 52.1%

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 47.0% 32.8% 20.7% 46.6% 42.2% 21.1% 36.6% 40.5% 38.8% 3.4%
RP MLB Percentile 79 38 99 90 78 71 27 99 18 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 44.1% 42.5% 23.6% 34.0% 31.1% 23.0% 45.8% 38.0% 38.4% 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 55.6% 14.2% 30.2% 9.3% 56.4% 49.1% 26.4% 20.0% 25.7%
RP MLB Percentile 7 16 55 2 16 39 96 5 94
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 58.9% 14.1% 28.7% 13.7% 58.6% 50.3% 20.3% 25.8% 26.4%

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 232 4.75 42.7% 14.2% 43.1% -0.4% 5.2% -5.0 -7 4.35
RP MLB Percentile 0 11 17 8 2 2 34 76 80 15
RP MLB AVG 884 4.94 45.9% 17.3% 36.8% 9.1% 4.7% 0.6 0 3.56
Career 1,914 4.89 44.9% 16.9% 38.2% 6.7% 4.1% -2.8 -9 3.84
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