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The Diamondbacks placed Martinez (elbow) on the 60-day injured list Saturday.
The move will create space on Arizona's 40-man roster for Paul Sewald, who signed with the club on Thursday. Martinez underwent Tommy John surgery in June and is expected to return to the D-backs' bullpen near the end of August.
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Diamondbacks' Justin Martinez: Aiming for late August return
Rotowire
Martinez (elbow) hopes to make his season debut by late August, Jack Sommers of SI.com reports.
Recovering from Tommy John surgery that he had last June, Martinez began a throwing program in mid-January. He will continue with a deliberate pace to his rehab and likely begin a rehab assignment a little after the All-Star break if all goes well. Martinez had been serving as the Diamondbacks' closer before getting hurt, but he could retake his old gig late in the 2026 campaign.
The Diamondbacks (elbow) transferred Martinez (elbow) from the 15-day injured list to the 60-day IL on Sunday.
Manager Torey Lovullo announced Friday that Martinez will require season-ending Tommy John surgery, so it was just a matter of time before the right-hander was shifted to the 60-day IL. In addition to missing the rest of the 2025 season, Martinez will spend most, if not all, of the 2026 campaign recovering from the procedure.
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Diamondbacks' Justin Martinez: Out for season
Rotowire
Manager Torey Lovullo said Friday that Martinez (elbow) is expected to be sidelined for at least 12-to-13 months, Jack Sommers of SI.com reports.
The right-hander is still headed for a second opinion on the UCL sprain that sent him to the injured list earlier this week, but the initial diagnosis is apparently severe enough to safely rule him out for the next year. Martinez's absence could extend through the entirety of the 2026 campaign if traditional Tommy John surgery is necessary. Shelby Miller picked up his seventh save of the season Wednesday, and it appears he'll get the first crack at taking over as Arizona's closer.
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Diamondbacks' Justin Martinez: Will undergo TJ surgery
Rotowire
Diamondbacks manager Torey Lovullo said Friday that Martinez (elbow) will undergo Tommy John surgery, Aaron Hughes of SI.com reports.
Martinez was already ruled out for the rest of the 2025 season due to a UCL sprain in the right elbow. After multiple consults, the 23-year-old will undergo Tommy John surgery for a second time after going through with the procedure in 2021. Given the timeline for recovery, Martinez will miss a significant portion of the 2026 season. Shelby Miller is the next man up to take on closing duties for Arizona in Martinez's absence.
Diamondbacks' Justin Martinez: Out with UCL sprain
Rotowire
The Diamondbacks placed Martinez on the 15-day injured list Tuesday due to a sprained UCL in his right elbow.
The right-hander experienced tightness in the elbow during the ninth inning of Monday's contest, and a UCL sprain is an ominous initial diagnosis. The severity of the issue isn't yet known, and manager Torey Lovullo said Martinez is headed for a second opinion on the MRI result, per Nick Piecoro of The Arizona Republic. Even a low-grade sprain could require a lengthy absence, with Tommy John surgery likely being the worst-case scenario. Shelby Miller is likely to be the next man up as Arizona's closer.
Diamondbacks' Justin Martinez: MRI on elbow on tap
Rotowire
Martinez experienced tightness in his right elbow during the ninth inning of Monday's 8-4 win over the Mariners in 11 innings and will undergo an MRI to determine the extent of an injury, Steve Gilbert of MLB.com reports.
Martinez waved for the trainers to come out after he was in discomfort upon throwing a sinker. Arizona manager Torey Lovullo would not speculate on the extent of the injury, but he said his level of concern was "very high" following the game. Martinez previously missed most of May while recovering from shoulder inflammation.
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Diamondbacks' Justin Martinez: Exits with trainer
Rotowire
Martinez left Monday's game against the Mariners with an undisclosed injury, Jack Sommers of SI.com reports.
Martinez was one out away from recording his sixth save of the season, but he made a motion for the trainer after throwing a 97 mile-per-hour sinker to Donovan Solano. Martinez is presumably headed for further evaluation to determine the severity of his injury.
