The Chicago Cubs don’t need Zac Gallen to be the guy who finished top-five in Cy Young voting two years running. That version of him might not even exist anymore. What they need is simpler and more urgent: a rotation stabilizer who can eat innings and give a tired bullpen a break before the summer heat strips this thing bare.
At 40-37, sitting third in the NL Central with a Wild Card spot still in hand, the Cubs have a window that’s open but not exactly wide. They’re in that dangerous middle ground where standing still feels like a choice and making a big splash could backfire. Gallen, for all his 6.10 ERA and 1.63 WHIP through 16 starts, might be the perfect middle ground. A depressed asset. A bet on track record over recent noise.
The deal that makes sense for both sides
The framework that keeps bouncing around scouting circles goes like this: the Cubs send Kevin Alcantara, James Triantos, and Brandon Birdsell to Arizona for Gallen. It’s not a prospect heist. It’s not a salary dump. It’s a calculated trade where both teams get something real.
Arizona gets Alcantara, who remains a toolshed even if his swing-and-miss issues keep him from being a sure thing. MLB Pipeline still slots him as Chicago’s No. 4 prospect entering 2026, and the power-speed combo plays in any ballpark, especially one with Chase Field’s gaps. Triantos brings a different look: contact, defensive versatility, and a hit tool scouts grade at 55. He’s the kind of player who doesn’t wow you in batting practice but ends up starting 140 games for five years. Birdsell is the throw-in with upside, though his elbow injury costs him the 2026 season, so Arizona would be buying lottery tickets on his cutter-slider profile down the road.
For the Cubs, the math is simpler. They keep Matt Shaw, Jefferson Rojas, and Moises Ballesteros out of the deal. They don’t sacrifice the future for a rental. They get a pitcher who was a bona fide ace as recently as 2023 and hope Tommy Hottovy and Craig Counsell can find the mechanical fix that’s eluded him this year. The late-June timing matters too. Grab him now, get a month of evaluation before the deadline, and decide if he’s worth keeping through September or if you pivot.
Why Arizona might say yes
Mike Hazen is not in the business of selling low on franchise icons, and Gallen was exactly that during the 2023 World Series run. But holding onto a struggling rental while his value continues to slip is its own kind of risk. If Gallen doesn’t turn it around, Arizona ends up with a compensatory pick and nothing else. That’s a thin return for a pitcher who defined a postseason.
The other factor here is Arizona’s roster construction. The Diamondbacks aren’t one pitcher away from contention, and Gallen’s walk year has been ugly enough that moving him now feels less like a fire sale and more like a smart pivot. Alcantara and Triantos give them two position-player building blocks who could contribute in different ways. That’s a better return than waiting and hoping.
The risk Chicago is taking
This only works if Gallen’s problems are mechanical, not structural. If his fastball velocity is gone for good or his command evaporates entirely, the Cubs just traded three interesting prospects for a guy who gets shelled every fifth day. And if Alcantara figures out the strike zone and becomes a 30-homer outfielder, this one stings for years.
But that’s the nature of deadline deals. You don’t eliminate risk. You price it correctly. The Cubs aren’t paying ace prices for a guy with ace history. They’re paying mid-tier prospect capital for a reclamation project with a ceiling that could change their October. Sometimes that’s the only kind of swing worth taking.

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