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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 4.2 0.00 1.29 23.8% 19.0%
216th 3
Sv
351st 46.0
IP
1st 4.22
ERA
147th 1.34
WHIP
138th 22.5%
K%
347th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
101.6 5.9% 23.5% 50.0% 7.8% 4.81 5.19
1st 94.6
FB MPH
351st 12.2%
SwStr%
337th 28.5%
CSW%
214th 51.1%
Str-ICR
341st 4.7%
MTK%
281st 4.94
PLV
344th 3.51
PLA
Saves List
Rank
20th
Saves+Holds List
Rank
19th

Articles

8/30/2026Fantasy Baseball Relief Pitcher Roundup: 8/29Rick Graham

8/30/2026OTW 265 - FAAB #24; August 30, 2026Adam Howe

8/28/2026Waiver Relief: Week 23Alex Kamberis

8/27/2026Fantasy Baseball Relief Pitcher Roundup: 8/26Rick Graham

8/26/2026Fantasy Baseball Relief Pitcher Roundup: 8/25Rick 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 5 0 4.2 1-0 0 0 0.00 1.29 2.91 4.27 6.54 5.19 23.8% 19.0% 3.9 0.00 .182 0.0% 71.4% 18.2% 54.5% 5.9% 23.5% 0.33 4.81
RP MLB Percentile 0 0 0 16-83 0 0 100 56 89 42 0 2 60 1 99 98 98 98 40 100 89 0 3 5 18
RP MLB AVG 37 2 46.0 3-2 3 6 4.22 1.34 4.21 4.23 4.27 3.51 22.5% 9.8% 8.3 1.12 .289 17.6% 72.6% 36.9% 43.6% 12.2% 28.5% 0.50 4.94
Career 96 0 102.2 7-8 14 13 3.59 1.40 3.50 3.30 3.59 3.84 29.1% 13.9% 7.1 0.44 .311 12.8% 70.3% 31.2% 57.0% 15.0% 31.2% 0.56 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 5 0 4.2 1-0 0 0 0 102 55 47 21 2 2 0 0 0 5 4 1 1
RP MLB Percentile 0 0 0 16-83 0 0 0 0 0 100 0 100 100 99 46 98 0 98 60 45
RP MLB AVG 37 2 46.0 3-2 0 3 6 772 493 279 198 42 28 8 1 6 45 19 2 2
Career 96 0 102.2 7-8 0 14 13 1,784 1,082 702 453 81 60 14 2 5 132 63 8 12

Justin Martinez Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 23.8% 19.0% .125 .125 .458 .252 .182 .182 .130 .266 .189 .188 81.3 77.6 0.3 2.91
RP MLB Percentile 60 1 99 100 98 89 98 100 99 89 99 100 99 100 98 89
RP MLB AVG 22.5% 9.8% .241 .390 .714 .315 .289 .320 .235 .315 .279 .359 87.6 89.2 13.3 4.21
Career 29.1% 13.9% .214 .301 .637 .290 .311 .325 .214 .287 .313 .333 84.2 83.1 1.3 3.50

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 ARI34.3% (101.2)36.3% (101.6)-4.9% (93.3)---24.5% (89.9)- 70.6% 29.4%
RP MLB Percentile 41 (99) 76 (100) - 3 (100) - - - 73 (81) - 95.4% 4.3%
RP MLB AVG 38.5% (94.6) 26.4% (94.0) 20.2% (89.4) 25.9% (85.9) 21.2% (82.4) 15.6% (80.3) 16.9% (86.2) 18.3% (86.7) 42.8% (61.7) 48.4% 51.4%
Career20.6% (100.5)37.8% (100.1)-18.0% (89.9)---23.6% (89.3)- 58.4% 41.6%

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 ARI14.3% (2)29.7% (1)-60.0% (0)---20.0% (3)- 22.2% 26.7%
RP MLB Percentile 2 (1) 65 (86) - 100 (0) - - - 35 (70) - 5.7% 31.3%
RP MLB AVG 26.9% (28) 27.3% (11) 26.4% (13) 29.7% (24) 28.4% (18) 27.1% (12) 21.6% (17) 22.9% (18) 19.8% (8) 27.8% 28.8%
Career22.8% (42)30.6% (56)-39.3% (61)---33.5% (108)- 27.8% 36.0%

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 54.5% 9.1% 36.4% 0.0% 18.2% 36.4% 45.5% 18.2% 19.6% 81.9% 18.2% 0.0% 0.0% 18.2%
RP MLB Percentile 89 100 97 0 99 20 99 6 71 100 93 99 99 100
RP MLB AVG 43.6% 21.6% 24.5% 10.3% 34.6% 40.9% 33.6% 25.5% 18.2% 62.8% 24.5% 5.8% 6.9% 36.9%
Career 57.0% 22.5% 15.7% 4.8% 30.5% 36.0% 34.8% 29.2% 15.4% 68.7% 23.7% 4.8% 2.8% 31.2%

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 .125 .252 .182 .182 .130 .266 .189 .188 81.3 77.6 0.3 0.0% 18.2% 9.5%
RP MLB Percentile 99 89 98 100 99 89 99 100 99 100 98 98 100 100
RP MLB AVG .241 .315 .289 .320 .235 .315 .279 .359 87.6 89.2 13.3 17.6% 36.9% 24.5%
Career .214 .290 .311 .325 .214 .287 .313 .333 84.2 83.1 1.3 12.8% 31.2% 17.2%

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 50.0% 53.9% 36.3% 11.8% 16.2% 19.6% 83.8% 93.5% 33.3% 17.6% 5.9% 23.5% 10.8% 52.0% 0.33 50.0%
RP MLB Percentile 96 0 0 0 2 71 2 0 99 71 0 3 0 1 5 39
RP MLB AVG 44.4% 63.8% 47.5% 31.8% 25.6% 18.2% 74.4% 83.9% 58.6% 16.3% 12.2% 28.5% 17.1% 58.3% 0.50 51.1%
Career 44.1% 60.7% 44.4% 29.3% 33.7% 15.4% 66.3% 77.8% 46.6% 16.3% 15.0% 31.2% 14.0% 56.1% 0.56 51.9%

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 50.0% 28.4% 15.7% 55.9% 37.3% 26.5% 36.3% 44.1% 40.2% 2.9%
RP MLB Percentile 96 14 100 99 54 11 26 99 24 0
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.4% 22.9% 40.7% 29.8% 43.2% 6.6%
Career 44.1% 42.9% 23.5% 33.6% 30.0% 23.5% 46.5% 38.1% 38.5% 5.7%

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 53.9% 9.8% 36.3% 5.5% 61.9% 61.9% 27.3% 13.5% 13.5%
RP MLB Percentile 1 86 99 0 53 99 97 0 8
RP MLB AVG 58.5% 12.2% 29.9% 14.5% 60.9% 50.1% 21.1% 26.8% 19.2%
Career 59.1% 13.8% 29.0% 13.9% 59.0% 51.0% 19.9% 25.7% 25.5%

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 102 4.81 45.1% 9.8% 45.1% 0.0% 7.8% -1.3 -3 5.19
RP MLB Percentile 0 18 38 0 1 1 2 61 67 2
RP MLB AVG 772 4.94 45.9% 17.3% 36.7% 9.2% 4.7% 0.7 0 3.51
Career 1,784 4.91 45.2% 16.8% 37.9% 7.3% 4.2% 0.8 -6 3.84
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