A.J. Preller is at it again. According to Jon Heyman, the San Diego Padres are acquiring right-handed pitcher Casey Mize, the former No. 1 overall pick from 2018, in a move that bolsters their rotation for what looks like a real wild-card push.
This is classic Preller. See a need, identify an asset, make a move. The Padres are chasing an NL wild-card spot down the stretch, and adding a controllable arm with upside is exactly the kind of move that can tilt September in your favor.
Who Casey Mize Is Now
Mize’s career has been complicated. He came into the league as the top pick with massive expectations, then Tommy John surgery derailed his development, and the last few years have been a slow climb back toward what he was supposed to be.
The good news is that Mize has looked more like himself in recent starts. He is missing bats, his splitter has been sharp, and he is throwing enough strikes to profile as a legitimate middle-of-the-rotation piece. That is not superstar territory, but it is significantly better than a lot of contenders have at the back of their rotations.
And here is the kicker. He is still under club control beyond this year. Preller did not just add a rental. He added a starter who could stick around and pitch meaningful innings for the Padres beyond the 2026 season.
The Padres Rotation Now
San Diego has had a rotation that fluctuated between excellent and injured all season. Slotting Mize into the mix gives Bob Melvin more flexibility down the stretch and reduces the reliance on the young arms that have carried too much of the load.
The wild-card race in the National League is a bloodbath. Every team in the mix has flaws, and every game in September is going to feel like a playoff game. Having an extra starter you trust is the kind of edge that separates the teams that make October from the teams that watch October.
Detroit’s Calculation
The Tigers have been trending toward selling, and moving Mize fits that pattern. He was still under control, which increases his trade value, but Detroit’s front office clearly decided that the return they could get outweighed the benefit of keeping him.
Rebuilds require these kinds of decisions. You identify players whose value peaks now, extract that value, and reinvest in the future. The Tigers are executing a plan, and Mize was part of the payment.
Detroit fans will feel this one, though. Mize was one of the faces of the last regime’s rebuild, and watching him leave for a contender means watching a chapter close.
Preller’s Track Record
A.J. Preller has been the most aggressive front office in baseball for years now, and his willingness to keep pushing chips in is either admirable or reckless depending on your perspective. When it works, it looks like genius. When it does not, it looks like chaos.
This particular move is on the responsible side of the Preller spectrum. He got a controllable starter with real upside for a package that likely will not be talked about in five years. Nothing crazy, nothing that mortgages the future further than it already is.
What This Means For The NL Race
The Padres just got tougher to beat. The wild-card race gets more interesting because San Diego might have just added the piece that pushes them over the top. Every other contender should be looking at their own rotations and asking whether they need to match.
Mize is not a savior. But in a September where every inning matters, he might just be enough.
A longtime sports reporter, Carlos Garcia has written about some of the biggest and most notable athletic events of the last 5 years. He has been credentialed to cover MLS, NBA and MLB games all over the United States. His work has been published on Fox Sports, Bleacher Report, AOL and the Washington Post.
