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Justin Martinez

#63 - Relief Pitcher

Arizona Diamondbacks

Bats / Throws Right / Right
Date of Birth 7/30/2001 (23)
Height, Weight 6'3", 180 lb
Hometown Bonao, DOM

2025 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
2 7.0 0.00 0.57 38.5% 3.8%
26th 1
Sv
196th 7
IP
1st 4.83
ERA
22nd 1.46
WHIP
19th 22.3%
K%
58th 10.1%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
100.5 15.7% 38.2% 59.8% 6.9% 4.85 3.35
1st 93.9
FB MPH
74th 12.4%
SwStr%
13th 28.5%
CSW%
38th 49.4%
Str-ICR
247th 5.2%
MTK%
235th 4.97
PLV
177th -
PLA
Saves List
Rank
17th
Saves+Holds List
Rank
9th

Articles

4/22/2025Closing Time 4/22: Ranking the Top 40 Closers Every TuesdayRick Graham

4/20/2025Waiver Relief: 4/20/2025Alex Kamberis

4/18/2025RP Ranks 4/18: The Top 100 Relievers for Save+Hold LeaguesRick Graham

4/17/2025Martin Sekulski's Dynasty 350- v2.0Martin Sekulski

4/11/2025RP Ranks 4/11: The Top 100 Relievers for Save+Hold LeaguesRick Graham

See More Articles
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Justin Martinez Overview

Hide 2025 MLB Percentile | Hide 2025 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 6.92 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 3.15 29.5% 11.7% 7.3 0.25 .324 9.5% 75.4% 31.8% 60.1% 16.3% 31.9% 0.60 5.05
2025 ARI 8 0 7.0 1-0 2 3 0.00 0.57 1.28 1.03 2.02 3.35 38.5% 3.8% 3.9 0.00 .214 0.0% 100.0% 14.3% 71.4% 15.7% 38.2% 0.77 4.85
RP MLB Percentile 47 0 37 69-26 89 81 84 93 92 95 94 46 94 82 85 54 73 60 79 98 94 78 96 90 28
RP MLB AVG 7 0 7.0 0-0 1 1 4.83 1.46 4.77 4.74 4.60 3.55 22.3% 10.1% 8.8 1.16 .289 17.1% 73.8% 39.5% 44.0% 12.4% 28.5% 0.49 4.97
Career 82 0 89.2 6-6 11 12 3.41 1.37 - - - 3.47 29.4% 12.3% 7.5 0.40 .326 11.8% 71.9% 31.8% 58.6% 15.8% 31.9% 0.58 5.00

Justin Martinez Repertoire

2023 2024 2025 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 8 0 7.0 1-0 0 2 3 102 65 37 26 3 3 0 0 0 10 1 1 0
RP MLB Percentile 47 0 37 69-26 0 89 81 32 33 65 32 75 54 68 11 54 70 73 6 25
RP MLB AVG 7 0 7.0 0-0 0 1 1 124 79 45 32 6 4 1 0 1 7 3 0 0
Career 82 0 89.2 6-6 0 11 12 1,515 939 576 391 75 57 12 2 4 115 48 5 9

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 38.5% 3.8% .125 .125 .317 .158 .214 .214 .151 .180 .259 .233 71.6 74.9 -6.9 1.28
RP MLB Percentile 94 82 86 90 92 92 73 79 85 92 58 84 99 97 98 92
RP MLB AVG 22.3% 10.1% .241 .389 .715 .317 .289 .316 .239 .322 .283 .364 88.3 89.8 13.0 4.77
Career 29.4% 12.3% .224 .307 .635 .287 .326 .338 .218 .279 .318 .335 84.3 83.1 0.2 -

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 ARI 60.2% (100.5) 0.4% (99.1) - 15.3% (89.1) - - - 24.2% (88.9) - 60.6% 39.4%
2024 ARI 11.5% (100.4) 45.2% (100.2) - 21.6% (89.8) - - - 21.8% (89.8) - 56.7% 43.3%
2025 ARI 19.6% (100.9) 41.2% (100.5) - 9.8% (92.0) - - - 29.4% (88.9) - 60.8% 39.2%
RP MLB Percentile 20 (99) 76 (99) - 7 (99) - - - 72 (76) - 78.7% 20.7%
RP MLB AVG 38.7% (93.9) 28.5% (93.5) 26.3% (89.4) 29.2% (85.6) 25.3% (81.9) 18.7% (80.3) 20.2% (85.8) 21.7% (86.8) - (-) 47.4% 52.4%
Career 19.6% (100.5) 38.0% (100.2) - 19.8% (89.8) - - - 22.6% (89.6) - 57.6% 42.4%

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 ARI 23.2% (9) 100.0% (1) - 36.1% (7) - - - 36.8% (14) - 23.8% 36.6%
2024 ARI 20.0% (19) 30.5% (49) - 40.6% (50) - - - 32.8% (74) - 28.3% 36.7%
2025 ARI 45.0% (5) 31.0% (4) - 40.0% (3) - - - 43.3% (4) - 35.5% 42.5%
RP MLB Percentile 96 (41) 63 (19) - 83 (58) - - - 89 (46) - 85.7% 93.0%
RP MLB AVG 26.7% (5) 28.2% (3) 27.2% (4) 30.8% (6) 31.4% (5) 28.5% (3) 23.0% (4) 26.1% (6) - (-) 27.4% 29.1%
Career 23.2% (33) 30.6% (54) - 40.0% (60) - - - 34.4% (92) - 28.1% 37.0%

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 71.4% 7.1% 21.4% 0.0% 14.3% 42.9% 21.4% 35.7% 11.8% 85.7% 14.3% 0.0% 0.0% 14.3%
RP MLB Percentile 94 89 42 0 93 57 15 85 10 95 81 67 73 98
RP MLB AVG 44.0% 21.6% 24.5% 9.9% 34.7% 41.3% 33.1% 25.6% 17.4% 61.5% 23.8% 6.6% 8.1% 39.5%
Career 58.6% 22.5% 15.3% 3.6% 30.2% 35.0% 35.0% 30.0% 15.4% 68.1% 23.9% 5.4% 2.7% 31.8%

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 .125 .158 .214 .214 .151 .180 .259 .233 71.6 74.9 -6.9 0.0% 14.3% 7.7%
RP MLB Percentile 86 92 73 79 85 92 58 84 99 97 98 60 98 99
RP MLB AVG .241 .317 .289 .316 .239 .322 .283 .364 88.3 89.8 13.0 17.1% 39.5% 26.6%
Career .224 .287 .326 .338 .218 .279 .318 .335 84.3 83.1 0.2 11.8% 31.8% 18.2%

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 49.0% 63.7% 41.2% 30.8% 38.1% 11.8% 61.9% 61.5% 62.5% 22.5% 15.7% 38.2% 13.7% 60.8% 0.77 59.8%
RP MLB Percentile 68 51 14 58 90 10 90 98 34 94 78 96 19 66 90 88
RP MLB AVG 45.8% 63.2% 47.2% 30.2% 26.1% 17.4% 73.9% 82.8% 56.5% 16.1% 12.4% 28.5% 17.4% 57.7% 0.49 49.4%
Career 43.9% 62.0% 45.9% 31.6% 34.4% 15.4% 65.6% 77.2% 47.2% 16.1% 15.8% 31.9% 14.7% 57.0% 0.58 52.6%

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 49.0% 45.1% 23.5% 31.4% 35.3% 32.4% 32.4% 42.2% 34.3% 6.9%
RP MLB Percentile 68 84 68 19 67 10 16 93 11 55
RP MLB AVG 45.8% 34.6% 25.6% 39.8% 31.3% 24.7% 44.0% 30.1% 44.3% 6.6%
Career 43.9% 44.0% 24.3% 31.7% 29.4% 23.6% 47.1% 37.0% 38.7% 5.9%

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 63.7% 7.8% 28.4% 13.8% 50.0% 50.0% 23.1% 34.5% 34.5%
RP MLB Percentile 86 80 38 53 16 47 66 87 94
RP MLB AVG 58.7% 12.6% 29.3% 14.2% 58.9% 48.3% 20.6% 25.3% 19.5%
Career 59.6% 13.8% 28.5% 14.5% 59.2% 50.4% 19.4% 27.8% 26.6%

Justin Martinez PLV

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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 5.05 47.2% 18.3% 34.6% 12.6% 3.7% -0.6 -1 3.15
2025 ARI 102 4.85 40.2% 18.6% 41.2% -1.0% 6.9% -4.3 -4 3.35
RP MLB Percentile 32 28 17 61 21 21 24 96 94 46
RP MLB AVG 124 4.97 45.8% 18.2% 36.0% 9.8% 5.2% - +1 3.55
Career 1,515 5.00 45.9% 17.9% 36.2% 9.8% 3.8% 2.5 +0 3.47
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