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Justin Martinez ARI RP R 15IL 

Born: 07/30/2001 Age: 23

FanGraphs Player Page

2025 OPL OPL Player Page

Signed By

You Outta Knew JR2 (J.R. & Joe) for $5

On MLB 40-man: YES
Acquired: Amateur FA (DOM) Mar'18

Thu 5/15 Fri 5/16 Sat 5/17
--- COL 9:40 PM EDT COL 8:10 PM EDT

Positions
RP
2026 Earned Positions
RP

All Leagues
Average $5.39 Median $4.00
Old School (5x5)
Average $6.95 Median $5.00

All Leagues
Average $5.30 Median $3.50
Old School (5x5)
Average $12.30 Median $11.00

Roster%
96.94%
Change
7Day 0.3%
30Day 3.06%

2025 OPL 2025 OPL Round 2
OPL Roster%
5.29%
OPL Average Salary
$4.22


May 12, 2025 7:45 PM : Martinez (shoulder) will throw to live hitters Wednesday, Alex Weiner of ArizonaSports.com reports.
Analysis: Martinez felt strong after completing a bullpen session Sunday, and it's another positive sign that he's progressing to throwing against hitters Wednesday. The Diamondbacks haven't indicated whether the 23-year-old will require a minor-league rehab assignment, as he'll be eligible to be activated from the 15-day injured list Friday after going down with shoulder inflammation at the beginning of the month. Arizona will presumably wait and see how Martinez comes out of the live session Wednesday before deciding on his next step.

MLB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2023ARI10010.0011412.600002.40000
2024ARI64072.258912.477061.30734
2025ARI12010.013112.700001.10000

MILB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2018ARI (R)7723.100157.328571.97143
2018ARI (R)8520.200157.838712.08064
2019ARI (R)304.00070.000001.25000
2019ARI (R)9835.110483.056601.44340
2019ARI (R)6216.201233.240001.38000
2021ARI (A)7723.010246.652171.73913
2022ARI (CPX)101.00010.000001.00000
2022ARI (CPX)101.000118.000002.00000
2022ARI (A+)13027.011442.666671.29630
2022ARI (AA)204.11084.153851.84616
2022ARI (AAA)304.21083.857141.71428
2023ARI (AAA)47049.129674.195951.64189
2024ARI (AAA)606.203142.700001.05000

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR
Apr 30, 2025 ARI @NYM 0 0 0 0 0.0 3 2 2 1 0 2 0 1
Apr 27, 2025 ARI ATL 0 0 1 0 1.0 6 1 1 1 0 2 1 0
Apr 26, 2025 ARI ATL 0 0 0 0 1.0 4 1 0 0 0 1 0 0
Apr 23, 2025 ARI TBR 0 0 0 0 1.0 3 0 0 0 1 0 0 0
Apr 17, 2025 ARI @MIA 0 0 0 1 0.1 2 0 0 0 1 1 0 0
Apr 16, 2025 ARI @MIA 0 0 0 0 1.0 3 0 0 0 0 0 0 0
Apr 13, 2025 ARI MIL 0 0 0 1 1.0 3 0 0 0 2 0 0 0
Apr 8, 2025 ARI BAL 0 0 1 0 1.0 3 0 0 0 1 0 1 0
Apr 4, 2025 ARI @WSN 0 0 1 0 1.0 4 0 0 1 1 0 0 0
Apr 1, 2025 ARI @NYY 0 0 0 1 1.0 3 0 0 0 3 0 0 0
Totals 0 0 3 3 8.1 34 4 3 3 9 6 2 1

Last 10 MILB Games

DateLevelTeamOpponentGSWinSave IPTBFRERHKBBHBPHR
Apr 13, 2024 AAA RNO @TAC 0 0 1 1.0 3 0 0 0 3 0 0 0
Apr 11, 2024 AAA RNO @TAC 0 0 0 1.0 5 2 2 1 2 1 0 1
Apr 7, 2024 AAA RNO SAC 0 0 1 1.0 3 0 0 0 2 0 0 0
Apr 4, 2024 AAA RNO SAC 0 0 0 1.0 7 2 0 2 3 1 0 0
Apr 2, 2024 AAA RNO SAC 0 0 0 1.2 7 1 0 1 1 1 1 0
Mar 29, 2024 AAA RNO @LV 0 0 1 1.0 3 0 0 0 3 0 0 0
Sep 24, 2023 AAA RNO @LV 0 0 0 0.2 3 0 0 0 2 1 0 0
Sep 22, 2023 AAA RNO @LV 0 0 1 1.0 5 0 0 1 1 1 0 0
Sep 19, 2023 AAA RNO @LV 0 0 1 1.0 4 0 0 0 2 1 0 0
Sep 16, 2023 AAA RNO SL 0 0 1 1.0 3 0 0 0 2 0 0 0
Totals 0 0 6 10.1 43 5 2 5 21 6 1 1

Avg Salary & Roster%

Last 30 days

2026 Position Eligibility Progress

To gain eligibility, a player must have 5 GS or 10 G at a position in the majors, or 20 G at a position in the minors.

Transaction History

Date Transaction Type Team Salary
June 3, 2024 7:18 PM add You Outta Knew JR2 (J.R. & Joe) $2
October 10, 2024 12:52 AM increase You Outta Knew JR2 (J.R. & Joe) $4
November 15, 2024 12:15 AM increase You Outta Knew JR2 (J.R. & Joe) $5

Recent Trades for Justin Martinez in Old School (5x5)

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
May 7, 2025 12:36 PM The Reggie Jefferson's Jose Siri NYM OF R $1 10IL 
Shohei Ohtani LAD Util/SP R $60 
Justin Martinez ARI RP R $3 15IL 
$33 loan 		Monster Dongs Garrett Crochet BOS SP L $10 
Wyatt Langford TEX OF R $18 
Kristian Campbell BOS 2B/SS/OF R $3 
April 16, 2025 11:55 PM Average Joe’s Luisangel Acuna NYM 2B/SS/OF R $4 
Adley Rutschman BAL C S $19 
Victor Scott II STL OF L $1 
Bryce Eldridge SFG AA 1B L $2
Jesus Made MIL A SS S $1
 Big Papi memories Justin Martinez ARI RP R $3 15IL 
Michael Harris II ATL OF L $24 
March 8, 2025 10:53 AM SeaWolves Luis Robert Jr. CHW OF R $16 
Justin Martinez ARI RP R $5 15IL 
$14 loan 		Miami Chops Kristian Campbell BOS 2B/SS/OF R $2 
Cam Smith HOU 3B/OF R $2 
February 20, 2025 11:56 AM Bryan Price's 77 Bombs Justin Martinez ARI RP R $3 15IL 
 Sweetjayy21 Gavin Lux CIN 2B/OF L $4 
January 30, 2025 1:12 PM Naylor I barely know her Cal Raleigh SEA C S $7 
Matt Wallner MIN OF L $5 10IL 
 Team Peter Calvin Faucher MIA RP R $4
Justin Martinez ARI RP R $9 15IL 
Brendan Donovan STL 2B/SS/3B/OF L $8 
January 30, 2025 12:05 PM Where did Tsutsugo? Joc Pederson TEX Util L $3 
Oneil Cruz PIT SS/OF L $18 
Justin Martinez ARI RP R $12 15IL 
Jackson Holliday BAL 2B/SS L $13 
Brandon Sproat NYM AAA SP R $2
 Fomorians Shohei Ohtani LAD Util/SP R $58 
January 21, 2025 10:41 PM Miami Giraffes 🦒 Francisco Alvarez NYM C R $8 
 Lefthanded Carp 🐟 Justin Martinez ARI RP R $5 15IL 
January 7, 2025 5:53 PM The Reggie Jefferson's Emmanuel Clase CLE RP R $18 
 All Proofs Justin Martinez ARI RP R $3 15IL 
December 29, 2024 5:52 PM Sho Time Cole Young SEA AAA 2B/SS L $3
Chase Dollander COL SP R $3 
Christian Moore LAA AA 2B R $3
Jac Caglianone KCR AA 1B L $5
 2 Pfaadt 2 Furious Michael Kopech LAD RP R $8 60IL 
Justin Martinez ARI RP R $4 15IL 
December 19, 2024 11:36 AM Where did Tsutsugo? Raisel Iglesias ATL RP R $25 
 Fomorians Justin Martinez ARI RP R $12 15IL 
Cade Smith CLE RP R $3