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Nationals Place MacKenzie Gore On 15-Day Injured List

By Mark Polishuk | August 30, 2025 at 12:13pm CDT

12:13PM: Gore downplayed the seriousness of his injury when speaking with MASNsports.com’s Mark Zuckerman and other reporters, saying that he feels he can pitch again this season.  An MRI showed “nothing crazy” in Gore’s shoulder, according to the lefty.

11:49AM: The Nationals announced that left-hander MacKenzie Gore has been placed on the 15-day injured list (retroactive to August 27) due to inflammation in his throwing shoulder.  Right-hander Mason Thompson was called up from Triple-A to take Gore’s spot on the active roster.

Given the timing of the IL placement, it is fair to wonder if the Nationals will just shut Gore down for the remainder of 2025, since Washington has nothing to play for in the final weeks of a lost season.  This would be the third time in Gore’s four MLB seasons that an injury has kept him from finishing a season, as his 2022 rookie season was cut short by elbow inflammation and the Nats chose to shut Gore down in September 2023 due to blisters on his left hand.

More will be known about Gore’s situation when Nats interim manager Miguel Cairo meets with reporters later, but it wouldn’t be a surprise to learn that Gore has been trying to pitch through discomfort for a while, given how his production has cratered since the All-Star break.  The southpaw has a 7.54 ERA over his last eight starts and 37 innings, which came on the heels of a 3.02 ERA in his first 110 1/3 innings.

That first-half performance earned Gore his first career All-Star nod, and seemingly cemented him as a building block within what seems like a somewhat stalled rebuild in Washington.  Despite interest from multiple teams at the trade deadline, the Nats refused to move Gore, viewing him as a cornerstone player who is controlled through the 2027 season.

Today’s injury news might lessen any regrets teams had about not acquiring Gore, even if his two years of arbitration control give him value beyond just the 2025 campaign.  If this is indeed it for Gore this season, he’ll finish with a 4.15 ERA over 147 1/3 innings, with a very strong 27.7% strikeout rate but a subpar 8.7% walk rate.

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Transactions Washington Nationals MacKenzie Gore Mason Thompson

Brewers Reinstate Jackson Chourio From 10-Day Injured List, Designate Oliver Dunn
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Mets Designate Jose Castillo For Assignment
View Comments (9)
Post a Comment

9 Comments

  1. cwsOverhaul

    9 hours ago

    Blessing that no one gave up a haul at the deadline with first eye on helping them this postseason. Sounded like Nats were holding out for an offer that topped the superior SP Crochet return since they weren’t in a hurry to deal him (despite lack of rebuild success and Boras his agent).

    2
    Reply
    • MLB Top 100 Commenter

      8 hours ago

      Lots of Cubs fans were touting Gore despite the question of how he would fare at the end of a season.

      Cubs should resting Boyd more at this juncture.

      2
      Reply
    • sad tormented neglected mariners fan

      7 hours ago

      Gore is a guy that you want to extend and keep him so I understand why they didn’t trade him

      He probably will never throw 200 innings but other than that he’s got everything else to be an ace

      2
      Reply
      • Soto should bat first.

        7 hours ago

        Gore won’t want to extend. Losing sucks. Free agency most likely fixes that issue.

        Reply
      • So many crybaby Mets fans

        3 hours ago

        I can’t respond so Soto must have me blocked but there’s no guarantee the Nats will be bad forever.

        Reply
      • Jud5952100000

        10 mins ago

        Why would Gore want to extend with that?

        Reply
  2. etex211

    8 hours ago

    test

    Reply
  3. angt222

    7 hours ago

    Nats should’ve cashed in on Gore during the trade deadline

    1
    Reply
  4. The Gambler

    3 hours ago

    Looks like the Cubs avoided a mess

    Reply

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