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Player Bio

HT/WT: 6-2, 189 lbs
Birthplace: Somerdale, NJ
Age: 31
School: North Carolina
Experience: 7
Bats/Throws: R, R

Last Game

Wed, Sep 9
  • Kauffman Stadium
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2026 Pitching

STATS IP
Innings Pitched
W
Wins
L
Losses
ERA
Earned Run Average
SO
Strikeouts
BB
Base on Balls (Walk)
Regular Season 101.1 3 9 6.22 62 33

Top Zac Gallen News

  • Diamondbacks' Zac Gallen: Activated for Wednesday's start

    The Diamondbacks activated Gallen (elbow) from the 60-day injured list Wednesday.

    Gallen will rejoin the Diamondbacks' rotation with a start Wednesday in Kansas City after missing the past two months with right elbow inflammation. The right-hander built up to four innings and 60 pitches during a simulated game Friday, so he should be capable of around 70 pitches. Michael Soroka (shoulder) was also activated from the IL and will work behind Gallen in Wednesday's series finale.

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  • Diamondbacks' Zac Gallen: Does fine in return

    Gallen allowed two runs (one earned) on four hits and two walks while striking out one over 3.1 innings in a no-decision versus the Royals on Wednesday.

    Gallen threw 42 of 68 pitches for strikes in his first big-league action in two months after an absence due to right elbow inflammation. The right-hander struggled heavily prior to his stint on the injured list, and it remains to be seen how he'll fare against a tougher opponent. On the year, he has a 6.22 ERA, 1.57 WHIP and 62:33 K:BB with 19 home runs allowed 101.1 innings across 20 starts. He worked in tandem with Michael Soroka for this game, but it's unclear how the workload will be set the next time this spot in the rotation comes up against Miami next week.

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  • Diamondbacks' Zac Gallen: Returning from IL, starting Wednesday

    Gallen (elbow) will return from the 60-day injured list and start Wednesday's game against the Royals, Jody Jackson of DBacks.tv reports.

    Wednesday will mark Gallen's first appearance of the second half, as the 31-year-old has been on the shelf since July 12 due to right elbow inflammation. He pitched 1.2 scoreless innings in a rehab game at Triple-A Reno on Aug. 30 before building up to four innings and 60 pitches during a sim game Friday. Rather than waiting for Gallen to get fully stretched back out, the Diamondbacks will instead have him make what will likely be an abbreviated start Wednesday before turning the ball over to right-hander Michael Soroka (shoulder), who will also be activated from the IL to pitch in the series finale in Kansas City.

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  • Diamondbacks' Zac Gallen: Throws four innings Friday

    Gallen (elbow) threw 60 pitches and four innings in a simulated game Friday, MLB.com reports.

    This was the second significant outing for Gallen, who began a rehab assignment last Sunday. The Diamondbacks plan to activate him for the series against the Royals which begins Monday. Gallen's schedule puts him in line for a possible start Wednesday.

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  • Diamondbacks' Zac Gallen: Will throw sim game Friday

    Gallen (elbow) will throw a simulated game Friday, Nick Piecoro of The Arizona Republic reports.

    Both Gallen and Michael Soroka (shoulder) will toss sim games Friday with the hope of returning to the team next week. Gallen has been sidelined since July 7 with right elbow inflammation. He made a rehab start with Triple-A Reno over the weekend, allowing a hit and walking two with two strikeouts across 1.2 frames. Gallen is aiming for 60 pitches Friday.

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  • Diamondbacks' Zac Gallen: Light workload in first rehab start

    Gallen (elbow) struck out two and allowed one hit and two walks over 1.2 scoreless innings in a rehab start Sunday with Triple-A Reno.

    The Diamondbacks were likely hoping for Gallen to cover another inning in his first official game action since July 7, but he needed 46 pitches (28 strikes) to record five outs before reaching his workload limit for the day. Assuming Gallen checked out fine physically following Sunday's outing, he should be in line for at least one more rehab start during the upcoming week before making his return from the 60-day injured list thereafter. Gallen has been on the shelf since July 12 due to right elbow inflammation.

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  • Diamondbacks' Zac Gallen: Set to begin rehab assignment

    Gallen (elbow) will begin a rehab assignment at Triple-A Reno on Sunday, MLB.com reports.

    Gallen threw three innings and 45 pitches in a bridge game last Tuesday and could push that pitch count to 60 for the Aces. The Diamondbacks are targeting the right-hander's return for sometime during their upcoming series against Kansas City, which runs from Sept. 7-9.

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  • Diamondbacks' Zac Gallen: Throws in camp game

    Gallen (elbow) threw three innings and 45 pitches in a bridge game at the Diamondbacks' training facility Tuesday, MLB.com reports.

    Given the pitch count, Gallen doesn't appear to be far away from returning from the 60-day injured list. He'll still need to push his pitch count up over one or two more rehab outings, but the report indicates that Gallen could be a candidate to rejoin the Arizona rotation during its series with the Royals, which runs from Sept. 7 through 9.

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  • Diamondbacks' Zac Gallen: Closing in on return

    Gallen (elbow) threw two innings and 35 pitches to live hitters Thursday, Alex Weiner of Arizona Sports reports.

    Gallen is next scheduled to throw a bullpen session Saturday, after which the club will decide his next steps. Arizona manager Torey Lovullo said there is a target date for Gallen and fellow injured starter Corbin Burnes (elbow), but the manager wasn't ready to reveal it and prefers to take the progression step-by-step before making any announcements.

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  • Diamondbacks' Zac Gallen: Successful bullpen session Tuesday

    Gallen (elbow) completed a 33-pitch bullpen session in Arizona on Tuesday, Alex Weiner of ArizonaSports.com reports.

    Gallen was able to complete the throwing session without any issues, successfully taking the next step in his recovery from right elbow inflammation. The right-hander isn't eligible to be activated from the 60-day injured list until Sept. 7, so Gallen could throw another bullpen session or two before moving on to facing live hitters and eventually heading out on a rehab assignment.

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  • Diamondbacks' Zac Gallen: Throwing BP session Tuesday

    Gallen (elbow) is scheduled to throw a bullpen session Tuesday, Alex Weiner of ArizonaSports.com reports.

    Gallen is ready to take the next step in his recovery from right elbow inflammation, which caused him to land on the Diamondbacks' injured list July 12. He was moved to the 60-day IL on Aug. 3, so the earliest Gallen can return is Sept. 7, though the Diamondbacks will have a better sense of the right-hander's recovery timeline once he gets more bullpen sessions under his belt.

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  • Diamondbacks' Zac Gallen: Shifts to 60-day IL

    The Diamondbacks transferred Gallen (elbow) from the 15-day injured list to the 60-day IL on Monday.

    The transaction opens up a spot on the 40-man roster for outfielder Lars Nootbaar, whom the Diamondbacks acquired from the Cardinals on Monday. The move also ensures that Gallen won't be available for the Diamondbacks until Sept. 7 while he recovers from right elbow inflammation. Following a recent meeting with arm specialist Dr. Neal ElAttrache, Gallen was cleared to start up a throwing program, and he's progressed to playing catch out to 120 feet as of Monday, per MLB.com. Gallen is set to undergo a follow-up MRI on Wednesday, and if the imaging reveals shows additional healing, the right-hander could be cleared to start throwing off a mound.

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  • Diamondbacks' Zac Gallen: Throwing again

    Gallen (elbow) was given permission to begin throwing and has thrown twice this week, MLB.com reports.

    Gallen received a second opinion this week from Dr. Neal ElAttrache, who granted the right-hander permission to begin throwing again. Diamondbacks manager Torey Lovullo told Douglas Santo of Arizona Sports that Gallen has thrown out to 75 feet. Gallen will undergo another MRI in early August, at which point the club will determine how aggressive they can push his rehab.

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  • Diamondbacks' Zac Gallen: Received second opinion

    Gallen (elbow) met with Dr. Neal ElAttrache in Los Angeles for a recommended course of action and was scheduled to be back in Arizona on Tuesday to resume his rehab, John Gambadoro of Arizona Sports 98.7 FM reports.

    Gallen has been dealing with right elbow inflammation, which landed him on the 15-day injured list July 12. The righty was said to be evaluating his options as he waited for an opinion from another doctor -- presumably Dr. ElAttrache. Gallen's timeline is currently up in the air.

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  • Diamondbacks' Zac Gallen: Awaiting second opinion on elbow

    Manager Torey Lovullo said Thursday that Gallen is awaiting a second opinion on his injured right elbow, Alex D'Agostino of SI.com reports.

    Gallen was scheduled to start last Sunday's game against the Dodgers but was scratched due to right elbow inflammation and subsequently placed on the 15-day injured list. "Gallen, we're continuing to evaluate," Lovullo said. "He is waiting for other opinions from other doctors. So we'll just keep putting that off until we get everything complete." Mitch Bratt was recently recalled from Triple-A Reno to take Gallen's place in the rotation.

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  • Diamondbacks' Zac Gallen: Officially moved to IL

    The Diamondbacks placed Gallen (elbow) on the 15-day injured list Sunday.

    The right-hander was scratched from his scheduled start Sunday against the Dodgers due to elbow inflammation and will be out for at least the next couple weeks. The severity of the injury hasn't been disclosed, so it's unclear if Gallen will be ready to return when first eligible in late July. Mitch Bratt was called up Sunday in a corresponding move.

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  • Diamondbacks' Zac Gallen: Likely for IL with elbow injury

    Gallen has been scratched from Sunday's start against the Dodgers due to right elbow inflammation, Nick Piecoro of The Arizona Republic reports.

    The injury may have cropped up following Gallen's last start Tuesday against the Padres, when he took the loss after allowing four runs on six hits and three walks while striking out five over six innings. The veteran right-hander is expected to go on the 15-day injured list, and he'll undergo further tests to determine the severity of the injury and establish a recovery timeline. Mitch Bratt is expected to replace Gallen as the Diamondbacks' starter for Sunday's series finale.

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NL West Standings

Team W-L L10 STRK
89-57 8-2 W7
78-68 6-4 W4
78-69 5-5 L1
62-85 6-4 W3
55-90 3-7 L3