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Tigers Designate Six Relievers For Assignment

By Anthony Franco | November 18, 2025 at 5:09pm CDT

The Tigers designated six relief pitchers for assignment: Dugan Darnell, Jack Little, Sean Guenther, Jason Foley, Tanner Rainey and Tyler Mattison. They added five prospects to the roster to keep them out of the Rule 5 draft: Hao-Yu Lee, Thayron Liranzo, Trei Cruz, Eduardo Valencia and Jake Miller. The sixth roster spot is filled by Gleyber Torres, who officially accepted the qualifying offer.

Cruz gets a 40-man spot for the first time going into his age-27 season. The Tigers had left the former third-round pick unprotected in the past two offseasons. The switch-hitting infielder, the son of former big league outfielder José Cruz, earned his way onto the roster with a breakout year in the upper minors. Cruz hit .279/.411/.456 while leading all minor league hitters with 102 walks between the top two levels. The Rice product can play both left side infield positions and has the athleticism to play some center field.

Valencia is a 25-year-old catcher/first baseman who posted a monster .311/.382/.559 slash line between Double-A Erie and Triple-A Toledo. He blasted 24 home runs while keeping his strikeout rate around 20%. The Venezuela native has never been viewed as much of a prospect, but the offensive performance in the high minors was too much to ignore.

Miller, a 24-year-old lefty, ranked 16th in the Detroit system at MLB Pipeline. An eighth-round pick in 2022 out of Valparaiso, he has shown an intriguing three-pitch mix with enough command and deception to project as a starter. Miller was limited to six starts between High-A and Double-A this year by a back injury, but Detroit likes him enough to keep him as a developmental play. He should begin next season in Erie.

More to come.

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Detroit Tigers Transactions Dugan Darnell Eduardo Valencia Hao-Yu Lee Jack Little Jake Miller Jason Foley Sean Guenther Tanner Rainey Thayron Liranzo Trei Cruz Tyler Mattison

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View Comments (13)
Post a Comment

13 Comments

  1. jdgoat

    60 mins ago

    Foley looked really good for a couple of years. Nice buy low option for somebody

    4
    Reply
    • Salzilla

      50 mins ago

      100% agree with this. Could be a sneaky closing option for a small market.

      1
      Reply
    • the good donald

      48 mins ago

      He’ll probably get a minor league deal somewhere (Detroit?) until he’s done with his rehab from shoulder surgery.

      2
      Reply
  2. TigersFan55

    59 mins ago

    RJ Petit should have been protected also. Beau Brieske should go!

    2
    Reply
    • Motor City Beach Bum

      47 mins ago

      Agree on Petit but not Brieske.

      2
      Reply
  3. For Love of the Game

    51 mins ago

    Foley and Guenther are coming off major surgery. I’m guessing their recoveries are uncertain and likely taking them out of action until later in the season.

    2
    Reply
    • Motor City Beach Bum

      46 mins ago

      Its Guenthers second isn’t it? Too bad they got hurt. Both pretty solid when they are on. Cheers

      1
      Reply
  4. 84LeFlore

    50 mins ago

    Interesting. Looks like Trei Cruz may be a good candidate to replace Andy Ibanez.

    I hope nobody takes I. Pacheco.

    2
    Reply
    • Motor City Beach Bum

      46 mins ago

      I figured they’d protect Pacheco over Valencia.

      1
      Reply
      • 84LeFlore

        35 mins ago

        I thought they’d protect both. Valencia had some sick numbers: 24 HR, 95 RBI, 43-BB, 86-K, slash of .311/.382/.559/.941.

        2
        Reply
    • Ben Jamin

      24 mins ago

      Pacheco hasn’t played above high A so they are probably hoping he won’t get picked or is too raw to stick on a roster. I’m hoping he goes unclaimed and can be up in 27 for us! 🤞

      1
      Reply
  5. tiger9

    47 mins ago

    Foley is a bit of a surprise.

    1
    Reply
  6. driftwood bat

    9 mins ago

    Was hoping they would hang on to Foley. I’m sure someone will pick him up in a hurry

    Reply

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