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Justin Martinez Fantasy Stats

Background banner image for player info Justin Martinez

Relief Pitcher #63

Healthy
Height / Weight 6'3"  /  180 lbs.
Date of Birth (Age) Jul 30, 2001 (24)
Experience 3 seasons
College None

2025 Rankings

Preseason RP24
Final RP273

Season Stats

SEASON TEAM POS GP FPTS/G GS W L SV IP ERA WHIP H R ER HR BB SO AVG
2023ARIRP100.7000110.012.602.40013141421114.277
2024ARIRP644.2056872.22.481.30759262023691.222
2025ARIRP173.3012515.14.111.23978711222.135
Career 91 3.6 0 6 8 14 98.0 3.77 1.408 79 48 41 5 59 127 .216

Game Log

TEAM OPP POS FPTS GS W L SV IP H R ER HR BB SO AVG WHIP
Mar 29, 2025 ARICHCRP2.200001.0000000.0000.000
Mar 30, 2025 ARICHCRP8.301000.2200002.5003.000
Apr 1, 2025 ARINYYRP8.200001.0000003.0000.000
Apr 4, 2025 ARIWSHRP3.600011.0100001.2501.000
Apr 8, 2025 ARIBALRP3.600011.0000001.0000.000
Apr 13, 2025 ARIMILRP6.200001.0000002.0000.000
Apr 16, 2025 ARIMIARP2.200001.0000000.0000.000
Apr 17, 2025 ARIMIARP2.100000.1000011.0003.000
Apr 23, 2025 ARITBRP4.200001.0000001.0000.000
Apr 26, 2025 ARIATLRP1.600101.0010010.0001.000
Apr 27, 2025 ARIATLRP-2.100011.0111020.3333.000
Apr 30, 2025 ARINYMRP-5.800000.01221201.0000.000
May 24, 2025 ARISTLRP0.500101.0222012.4003.000
May 26, 2025 ARIPITRP4.200001.0000001.0000.000
Jun 1, 2025 ARIWSHRP6.200011.0000002.0000.000
Jun 4, 2025 ARIATLRP6.800011.2011044.0002.400
Jun 9, 2025 ARISEARP2.900000.2011012.0001.500

Justin Martinez News

Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Out 12-13 Months With UCL Sprain

Arizona Diamondbacks manager Torey Lovullo said that right-handed reliever Justin Martinez (elbow) is expected to miss at least 12 or 13 months with a UCL sprain in his right elbow. Martinez is still seeking second opinions, but it looks like we won't see the 23-year-old closer until the second half of the 2026 season. He had Tommy John surgery on his right elbow in 2021, but it's unclear if he'll be undergoing another surgery. Martinez features a fastball that touches triple digits, a high-velocity slider and a nasty splitter. The Dominican hurler will finish 2025 with a 4.11 ERA, 1.24 WHIP, five saves and 22 strikeouts in only 15 1/3 innings pitched. He had eight saves and nine holds in 73 innings with Arizona in 2024. With lefty A.J. Puk (elbow) still on the injured list, the D-backs are moving forward with veteran Shelby Miller as their primary closer. Martinez can be dropped in single-year fantasy leagues. UPDATE: Martinez will undergo another Tommy John surgery, according to Lovullo.
Jun 13   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Lands on 15-Day Injured List With Elbow Sprain

The Arizona Diamondbacks announced on Tuesday that they placed right-handed reliever Justin Martinez (elbow) on the 15-day injured list with a sprained right ulnar collateral ligament in his elbow. Right-hander Christian Montes De Oca (elbow) was also placed on the 15-day IL, while right-handers Kevin Ginkel, Bryce Jarvis and Tayler Scott were all called up from Triple-A Reno. Righty Jeff Brigham was optioned to Reno. Martinez injured his elbow during his outing in Monday's extra-inning win over the Seattle Mariners and is likely to be out well into the second half of the season. The 23-year-old will go for a second opinion after his MRI exam, according to manager Torey Lovullo, which is an ominous sign. Martinez could be looking at Tommy John surgery in the future. With lefty A.J. Puk (elbow) still out, veteran Shelby Miller is looking at primary closing duties in the desert.
Jun 11   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Dealing with Elbow Tightness

Arizona Diamondbacks relief pitcher Justin Martinez (elbow) was forced to leave Monday's game against Seattle with the training staff after dealing with elbow tightness. Martinez said he "felt bad" after the game, but it wasn't clear if he meant his arm or the fact that he had to leave the game. The 23-year-old closer spent time on the injured list last month with shoulder inflammation, but it isn't clear if this injury will cause him to miss time or just require a few days of rest. If he's out, Shelby Miller would be next up for saves out of Arizona's bullpen. UPDATE: Martinez will undergo an MRI exam on his right elbow.
Jun 10   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Records Fourth Save in Return

Arizona Diamondbacks relief pitcher Justin Martinez recorded his first save since returning from the injured list last week, bringing his season total to four. This was promising to see, especially after allowing two runs to blow a save in his first appearance back on May 24. The 23-year-old could be a top-10 closer for fantasy if he can gain full control of the job, which he briefly did before suffering his injury. A.J. Puk still isn't close to returning from his elbow injury, which makes Shelby Miller the main competition for saves. Martinez is coming off of a 2024 season where he posted an elite 2.48 ERA with 91 strikeouts in 72 2/3 innings, so make sure he's not sitting on the waiver wire in your leagues.
Jun 2   
Justin Martinez  • RP  •  Diamondbacks

Diamondbacks Reinstate Justin Martinez From 15-Day Injured List

The Arizona Diamondbacks announced on Friday that they reinstated right-handed reliever Justin Martinez (shoulder) from the 15-day injured list and optioned right-hander Christian Montes De Oca to Triple-A Reno in a corresponding move. Martinez last pitched in the big leagues on April 30 but was shut down with inflammation in his right shoulder. With lefty A.J. Puk (elbow) still on the shelf, the 23-year-old high-leverage relief arm should see most of the team's save opportunities moving forward now that he's back. He tossed two scoreless innings on his minor-league rehab assignment, with the most important news being the fact that he reached 101.1 mph with his sinker at Triple-A Reno. Even if the D-backs ease Martinez back into closing situations after his IL stint, he should eventually be the favorite for saves, at least until Puk is able to return.
May 23   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Could Come Off Injured List This Weekend

The Arizona Republic's Jose M. Romero writes that Arizona Diamondbacks right-handed reliever Justin Martinez (shoulder) could come off the injured list as soon as Friday's series opener in St. Louis against the Cardinals. Manager Torey Lovullo said as much after Wednesday's series finale against the Los Angeles Dodgers. Martinez hit 100 mph or more five times during his 13-pitch minor-league rehab appearance with Triple-A Reno on Tuesday, which is a great sign that he's past his right-shoulder inflammation. Before landing on the IL, his velocity had dropped into the mid-90s. Martinez has been on the IL since May 1 and is eligible to be activated at any time. With lefty A.J. Puk (elbow) still on the shelf, Martinez will be in line for primary closing duties in Arizona when he returns, so he should be rostered in all fantasy formats.
May 22   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez To Face Live Hitters On Wednesday

Arizona Diamondbacks right-handed reliever Justin Martinez (shoulder) will face live hitters on Wednesday and throw somewhere around 15 to 18 pitches, according to manager Torey Lovullo. It comes after Martinez said his first bullpen session on Sunday went "real well." Barring a setback once he starts facing live hitters this week, the 23-year-old is expected to return when he's eligible to come off the 15-day injured list on Friday, May 16, which means he likely won't be sent out on a minor-league rehab assignment. The D-backs put Martinez on the shelf in the beginning of May due to right-shoulder inflammation. With lefty A.J. Puk (elbow) quite a ways behind Martinez in his recovery from an elbow injury, Martinez should assume primary closing duties in the desert when he returns to Arizona's bullpen. Before his injury, he had three saves and 11 K's in 10 innings of work.
May 13   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez To Begin Throwing This Week

Arizona Diamondbacks relief pitcher Justin Martinez (shoulder) was recently placed on the 15-day injured list. The right-hander is dealing with right shoulder inflammation, but hopefully he won't be sidelined for too long. He underwent additional imaging that didn't show any significant damage. That being said, Martinez is reportedly going to begin a throwing program this week. It's unclear if Martinez will need to go on a rehab assignment before returning. He isn't eligible to return until the middle of May, so it wouldn't be shocking to see Martinez throw a few minor league games. In the meantime, the D-Backs are likely going to use a committee approach at the closer which involves Ryan Thompson, Shelby Miller, Jalen Beeks, and Kevin Ginkel.
May 6   
Justin Martinez  • RP  •  Diamondbacks

Diamondbacks Place Justin Martinez On 15-Day Injured List With Shoulder Inflammation

The Arizona Diamondbacks announced on Thursday that they placed right-handed reliever Justin Martinez (shoulder) on the 15-day injured list with right-shoulder inflammation and selected the contract of left-hander Jose Castillo from Triple-A Reno in a corresponding move. The D-backs also moved left-hander A.J. Puk (elbow) to the 60-day IL. Martinez downplayed his recent drop in velocity, but Arizona was concerned enough after the 23-year-old gave up three earned runs on two hits (one homer) while walking four and striking out none in just one inning in his last two appearances after not allowing a single run with 11 K's and two walks in his first 10 innings in 2025. Hopefully, Martinez will have a minimum stay on the IL. But with both Martinez and Puk now on the shelf, Ryan Thompson, Shelby Miller, Jalen Beeks and Kevin Ginkel could all be part of a closer committee. Thompson picked up the save on Wednesday.
May 1   
Justin Martinez  • RP  •  Diamondbacks

Justin Martinez Could Land On Injured List

Arizona Diamondbacks manager Torey Lovullo said that right-handed reliever Justin Martinez (shoulder) said he feels great despite dealing with shoulder fatigue recently, but with his velocity down, the skipper said that imaging and/or an injured-list stint are possible. The D-backs continue to evaluate Martinez, and an IL stint can't be ruled out. The 23-year-old Dominican gave up his first run of the season, walked two and hit a batter on Sunday against the Atlanta Braves but still managed to hold on for his third save of the year in the 6-4 win. He entered for another save chance on Wednesday night against the New York Mets but allowed two earned runs on a homer while walking two without recording an out before Ryan Thompson came entered to close things out. It's looking more and more like that Martinez is going to need a trip to the IL, and with A.J. Puk (elbow) already out, Thompson, Shelby Miller and Jalen Beeks could be candidates for saves in Arizona moving forward.
May 1   
LEGEND