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The Diamondbacks’ Surprisingly Middling Rotation

By Anthony Franco | May 21, 2025 at 11:25pm CDT

Few teams have more aggressively added veteran rotation help over the past two years than the Diamondbacks. As shown on MLBTR's Contract Tracker, 15 free agent starting pitchers have signed for at least a $20MM average annual value since the start of the 2023-24 offseason. The D-Backs have been responsible for three of them.

If we exclude Shohei Ohtani, who was obviously signed more for his bat,  Arizona is the only team to sign three such contracts over the past two winters. The Dodgers (Yoshinobu Yamamoto and Blake Snell) are the only other club that has signed more than one.

Arizona began with a four-year, $80MM contract for Eduardo Rodriguez. That was a sizable investment for their market size but not one that took too many people by surprise. They finally snapped Jordan Montgomery's extended free agent stay with a one-year, $25MM guarantee and an easily achievable vesting option that pushed their investment close to $50MM over two seasons.

The true shocker came last winter, when they emerged out of nowhere as the landing spot for Corbin Burnes, who wanted to pitch close to his Arizona home. He probably left some earnings upside on the table, but it still took a six-year commitment worth $210MM (with a net present value closer to $194MM after adjusting for deferred money).

They've added those big-name arms to an in-house starting pitching group that included Zac Gallen, Merrill Kelly and Brandon Pfaadt. Maybe they didn't match the depth of some other clubs, but their top six to seven starters look exceptionally formidable. This should be one of the best rotations in MLB.

And yet, for two years running, it hasn't been particularly close to that.

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Arizona Diamondbacks Front Office Originals Brandon Pfaadt Corbin Burnes Eduardo Rodriguez Jordan Montgomery Merrill Kelly Ryne Nelson Zac Gallen

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View Comments (15)
Post a Comment

15 Comments

  1. mlb fan

    6 hours ago

    The Redsox(and myself)were right about Eduardo Rodriguez. He’s not really the guy you open the pay vault for.

    3
    Reply
    • Ignorant Son-of-a-b

      6 hours ago

      Never been impressed with him – ever. If you’re the gambling sort, he’s one to bet against with assurance on any given Sunday.

      3
      Reply
      • vtadave

        5 hours ago

        What about on Saturdays?

        1
        Reply
    • amk1920

      5 hours ago

      He couldn’t even walk in 2020. Insane to give him a 4-80 after a decent not great season

      1
      Reply
    • MLB Top 100 Commenter

      9 mins ago

      EROD and Monty were tough breaks.

      Reply
  2. Samuel

    6 hours ago

    So, are we now being told that “not being cheap” and spending big on FA’s doesn’t necessarily guarantee success?

    I’m shocked! Shocked I tell you!!

    Next thing someone will do here is write an article here showing that teams with superior baseball philosophies, coaching staffs, and FO’s that acquire players that fit what they’re trying to do, bring success. LOL. Sure. Like intelligence and hard work pays off. Fat chance of that happening here…..or on any Internet baseball site covering MLB.

    3
    Reply
    • Major League Baseball Fan

      2 hours ago

      Feel free to write an article.

      Reply
      • MLB Top 100 Commenter

        7 mins ago

        Samuel

        Yankees enter the chat

        Reply
    • Major League Baseball Fan

      2 hours ago

      My question is…
      How do you put up with yourself? You have miserable down to a science sad man.

      1
      Reply
  3. solaris602

    6 hours ago

    The Dbacks can still hope the rotation will straighten itself out this summer, and they can be grateful they aren’t in the same boat as BAL with a dreadful rotation that will take a couple years to fix.

    Reply
    • Seamaholic

      6 hours ago

      The Dbacks are about to lose Kelly and Gallen, who are both free agents this off-season. It gets worse from here. They took their shot, and more power to them for it. But it has to work out this year or it’s gonna be a while. Not a lot of pitching in their system.

      Reply
    • Jbigz12

      3 hours ago

      The O’s will have Bradish and Grod next season and have $0 committed to starting pitchers.

      The Dbacks owe Erod far too much and they’ve spent a ton on Burnes. Which looks good right now but we’ll see.

      Reply
  4. TAKERDBACKS

    6 hours ago

    im a diehard dbacks fan and the issue is 3 things. We lost a great pitching coach and we have no pen! Torey is an awful coach but a great clubhouse coach which means very little. Our hitting is also inconsistent but the main issues is what I mentioned

    1
    Reply
  5. jdgoat

    5 hours ago

    Are we at the point where we can just flush Burnes’ declining strikeout rate down the drain? He has shown that he can still produce results despite the lower K numbers.

    1
    Reply
    • Ignorant Son-of-a-b

      40 seconds ago

      I guess in theory the thinking goes if you’re not striking batters out they are doing other things and some of those things are random and out of your control. Sooner or later those random events will accumulate against you in a bad way. It always helps if the contact you are still allowing is of the weak variety though.

      Reply

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