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Justin Martinez ARI RP R 

Born: 07/30/2001 Age: 23

FanGraphs Player Page

2025 OPL OPL Player Page

Signed By

Endless Rebuild for $5

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

Sun 4/20 Mon 4/21 Tue 4/22
@CHC 2:20 PM EDT --- TBR 9:40 PM EDT

Positions
RP
2026 Earned Positions
RP

All Leagues
Average $5.41 Median $4.00
FanGraphs Points
Average $4.99 Median $4.00

All Leagues
Average $10.50 Median $9.00
FanGraphs Points
Average $6.80 Median $6.00

Roster%
100%
Change
7Day 0.31%
30Day 1.83%

2025 OPL 2025 OPL Round 1
OPL Roster%
7.50%
OPL Average Salary
$4.00


April 20, 2025 8:01 AM : Martinez is expected to be the Diamondbacks' primary closer after the team placed A.J. Puk (elbow) on the 15-day injured list Saturday.
Analysis: Puk will undergo an MRI when the team returns to Arizona following its road series against the Cubs. Martinez, who had been sharing closing duties with Puk, should be the sole option but could eventually cede opportunities once Kevin Ginkel (shoulder) is activated. Martinez has not allowed a run while striking out 10 and walking one over seven innings.

MLB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2023ARI10010.01014131122 0.96 9.60
2024ARI64072.28791593622 6.82 495.73
2025ARI807.023103110 11.43 80.00

MILB Stats

Pitching

YearTeamGGSIP SV HLD K H BB HBP HR P/IP Pts
2018ARI (R)7723.10015262062 1.39 32.47
2018ARI (R)8520.20015251851 1.77 36.63
2019ARI (R)304.00071410 6.5 26.00
2019ARI (R)9835.10048292250 5.69 201.07
2019ARI (R)6216.21023121120 6.25 104.13
2021ARI (A)7723.00024251531 3.78 86.90
2022ARI (CPX)101.00010100 6.4 6.40
2022ARI (CPX)101.00012011 -11.1 -11.10
2022ARI (A+)13027.01044211411 6.7 180.90
2022ARI (AA)204.10186210 6.34 27.47
2022ARI (AAA)304.20183510 6.16 28.73
2023ARI (AAA)47049.19567334833 5.85 288.37
2024ARI (AAA)606.230144311 8.64 57.63

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR Pts
Apr 17, 2025 ARI @MIA 0 0 0 1 0.1 2 0 0 0 1 1 0 0 5.47
Apr 16, 2025 ARI @MIA 0 0 0 0 1.0 3 0 0 0 0 0 0 0 7.40
Apr 13, 2025 ARI MIL 0 0 0 1 1.0 3 0 0 0 2 0 0 0 15.40
Apr 8, 2025 ARI BAL 0 0 1 0 1.0 3 0 0 0 1 0 1 0 11.40
Apr 4, 2025 ARI @WSN 0 0 1 0 1.0 4 0 0 1 1 0 0 0 11.80
Apr 1, 2025 ARI @NYY 0 0 0 1 1.0 3 0 0 0 3 0 0 0 17.40
Mar 30, 2025 ARI CHC 0 1 0 0 0.2 4 0 0 2 2 0 0 0 3.73
Mar 29, 2025 ARI CHC 0 0 0 0 1.0 4 0 0 0 0 0 0 0 7.40
Sep 28, 2024 ARI SDP 0 0 0 0 1.1 4 0 0 0 1 0 0 0 11.87
Sep 25, 2024 ARI SFG 0 0 0 0 1.1 7 1 1 3 2 1 0 0 3.07
Totals 0 1 2 3 9.2 37 1 1 6 13 2 1 0 94.93

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
July 6, 2024 11:23 PM add Generous Carriage $3
October 10, 2024 12:57 AM increase Generous Carriage $5
January 9, 2025 5:31 PM move Endless Rebuild (from Generous Carriage) $5

Recent Trades for Justin Martinez in FanGraphs Points

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
April 17, 2025 10:10 AM Weighted Wookiees Brandon Nimmo NYM OF L $16
Jackson Jobe DET SP/RP R $3 
 Uecker Troopers Bo Bichette TOR SS R $23
Ronel Blanco HOU SP R $5 
Justin Martinez ARI RP R $3 
$12 loan
March 30, 2025 7:46 PM Barreled Up BigKlu Jurickson Profar ATL OF S $4 SUSP
Justin Martinez ARI RP R $3 
Chase Dollander COL SP/RP R $3 
 🔥 Paper in Fire Ryan Mountcastle BAL 1B R $4 
Jasson Dominguez NYY OF S $6 
March 21, 2025 11:18 PM Daigos Joe Ryan MIN SP R $11 
Garrett Mitchell MIL OF L $1
 The Pointy Heckin’ Doggos Tyler O'Neill BAL OF R $9 
Justin Martinez ARI RP R $5 
January 31, 2025 12:55 PM KILLTEAM Ronel Blanco HOU SP R $3 
Justin Martinez ARI RP R $3 
Ryan Pepiot TBR SP R $6 
Chase Dollander COL SP/RP R $2 
 Mag 9 Bailey Ober MIN SP R $5 
January 30, 2025 8:45 PM The Back Fields Fernando Tatis Jr. SDP OF R $59 
Oneil Cruz PIT SS/OF L $19 
Justin Martinez ARI RP R $3 
Cole Sands MIN RP R $3
Aidan Miller PHI AA SS R $2
 Otto2024 Kyle Tucker CHC OF L $46 
January 29, 2025 10:26 AM The Syndicate Ivan Herrera STL C R $4 10IL 
 Dinger Derby Brayan Bello BOS AA SP R $11 15IL 
Justin Martinez ARI RP R $8 
January 24, 2025 9:33 AM 24 Hour Todd!! Gerrit Cole NYY SP R $30 60IL
 Schwar 💣 Freddie Freeman LAD 1B L $44 
Justin Martinez ARI RP R $3 
January 19, 2025 11:43 PM Giambinos Jake Burger TEX 1B/3B R $6 
 Big Papi memories Justin Martinez ARI RP R $4 
January 16, 2025 8:29 PM Little Pine Tar on my bat III Justin Martinez ARI RP R $3 
Chase Petty CIN AAA SP R $2
 Barreled Up BigKlu Tyler Fitzgerald SFG 2B/SS/OF R $5 
January 16, 2025 10:35 AM Little Pine Tar on my Bat IV Justin Martinez ARI RP R $4 
 Mall Karate Zac Gallen ARI SP R $31