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Padres Strike Late, Add Casey Mize to Bolster Rotation
IMAGN IMAGES via Reuters Connect

The Detroit Tigers were silent after trading Tarik Skubal but struck a deal right as the bell rang, sending Casey Mize and Gage Workman to the San Diego Padres in exchange for the Padres’ No. 2 prospect, Kash Mayfield, and Jackson Wolf. While the Padres were not one of the rumored teams to be in on Mize, the fit does make a lot of sense.

Mize, who is on an expiring contract, is currently pitching to a career-best 2.70 ERA and 2.58 FIP with an 8.83 K/9 and 1.97 BB/9. Injuries have always been an issue throughout his career, but Mize has been relatively healthy this season, only missing a short period of time that has limited him to 16 starts.

San Diego has been known for making some extremely aggressive moves since A.J. Preller took over, but I’m not quite placing this trade into that category. Although Mayfield is a well-regarded prospect in the Padres’ system, he’s not a top-100 name. This is the type of move that stings, but not to the level of some of the trades Preller has made in recent years.

Padres Bolster Their Rotation

When the Padres entered the year with Germán Márquez in their rotation, buying starting pitching was not only possible but probable. Walker Buehler and Lucas Giolito were reasonable additions, but they were not the level of pitchers you want to stroll into a playoff hunt with.

Injuries have taken their toll and forced San Diego to scramble at the deadline, not only acquiring Casey Mize but also Robbie Ray. Those two veterans now rank first and second in the Padres’ rotation by ERA.

The market for Mize seemed to gain steam as the day went on and other teams missed out on their Plan A options, forcing Mize — who might have had too high of an asking price for some — to become the last impact arm available. San Diego was desperate enough and paid the price to land Mize before a rival could.

The former first-overall pick joins the Padres’ rotation looking like the best version of himself, with his stuff playing up a bit and his command as elite as ever. Talent has never been the question, but health has. Only twice has Mize pitched over 110 innings in a season, with last season being his first time reaching 149 innings across 28 starts, giving some hope that injuries, at least major ones, are behind him.

San Diego needed help near the top of their rotation, and they got just that. If the Padres make the playoffs, they now have a pitcher you should feel much more comfortable handing the ball to than they did 24 hours ago. I’m sure fans had their eyes set on a bigger name or someone with a cleaner track record, but the way Mize has looked in 2026 should not go unnoticed.

Realistically speaking, how much better could they have done? The farm system is not as strong as it once was, and trading Ethan Salas was never a possibility, even for Preller. A move that required one prospect and a pitcher who has been more of an organizational depth piece felt like the appropriate move considering where the Padres are.

Not only will Mize help them down the stretch, but he could also be the perfect candidate for an extension. He’s on the edge of being good enough to want to keep around long-term without having the resume that would demand a five-year contract worth $25 million per year. A happy medium that makes sense for both the Padres and Mize feels very possible.

Tigers Continue To Add Young Pitching

Detroit moving Skubal led many to think a fire sale of rentals was coming. Well, not so much. Mize and Skubal were significantly more valuable than Kenley Jansen and Gleyber Torres, which led the Tigers to walk the complicated line between selling and still competing.

Troy Melton and Keider Montero having the breakout seasons they’re having allows Scott Harris and company to sell the fan base on a quasi-competitive attempt to collect assets without completely giving up on the 2026 season. Sure, River Ryan plays into the equation and helps soften the blow while keeping the Tigers afloat, but a more aggressive — or clearer — direction should have been taken.

Instead, Detroit floated past the deadline with confusion and a few more promising prospects, which were needed for this middling farm system. Mayfield, a 6-foot-4 lefty, becomes the Tigers’ sixth-best prospect and second-best pitching prospect behind fellow deadline addition River Ryan.

A pitchability lefty without overpowering velocity, but with a changeup that looks to be a plus pitch and good command of his secondary offerings. He has a smooth and repeatable delivery with a shoulder-high release point that a number of evaluators believe has middle-of-the-rotation potential.

Detroit’s farm system has lacked pitching talent due to an unorthodox number of injuries to recently drafted arms. Ben Jacobs has impressed this season, but the left-handed pitching talent behind him carries enough reliever risk that adding someone of Mayfield’s ability made a lot of sense.

Jackson Wolf comes to Detroit as the undercard to Mayfield. He’s an older minor league arm who is likely more of an organizational depth piece than an upside play. A lefty with average stuff, low velocity, and five pitches that he mixes to keep hitters off-balance, Wolf could be someone the Tigers believe they can develop. However, to me, he’s simply a throw-in.

Detroit had a clear plan for the type of talent they wanted to acquire by this deadline: get the best possible prospect (Zyhir Hope), then collect as many arms as possible. Sure, I wish they would have made more moves or at least brought in bullpen help if they weren’t selling all of their rentals, but the moves they did make addressed what their farm system needed.

Final Thoughts

San Diego improved in an area where they needed it the most. Bringing in Mize during a career year came at a significant cost, but at least it was only one legitimate prospect. I would have anticipated Mize’s return requiring more than one prospect, so I think the Padres made out well.

The Tigers needed as many intriguing arms as they could get, making Mayfield a suitable addition. I would have expected to have stronger feelings one way or another about this trade, but the reality is that it’s fine for both sides. Not every trade will generate a wave of strong emotions, even one of this caliber.

This article first appeared on Just Baseball and was syndicated with permission.

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