© Robert Edwards-Imagn Images
PHOENIX – Former Diamondbacks SP Zac Gallen is making the rounds of free agency and has been rumored to be linked with the D-backs’ NL West division rival, the San Francisco Giants.
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Sep 15, 2025; Phoenix, Arizona, USA; Arizona pitcher Gallen (23) pitches against San Francisco during the first inning at Chase Field. Mandatory Credit: Joe Camporeale-Imagn Images
Recently, Susan Slusser of the San Francisco Chronicle mentioned, “I certainly know, and I know this beyond a reasonable doubt, they have talked to Zac Gallen,” via Splash Hit Territory. Now the D-backs get an idea that they could be seeing their former ace and face of the franchise playing for a division rival. The interest makes sense as Gallen pairs elite command with one of baseball’s most deceptive four-seam, knuckle-curve, and changeup combos. Gallen represents the ideal bridge between analytics and artistry. The Giants’ recent investments in controlled workloads offer a blueprint built for veteran longevity.
Sep 9, 2025; San Francisco, California, USA; Arizona Diamondbacks starting pitcher Zac Gallen (23) throws a pitch against the San Francisco Giants during the first inning at Oracle Park. Mandatory Credit: Robert Edwards-Imagn Images
The future of the D-backs without Zac Gallen:
But this isn’t just a roster rumor; it’s an emotional pivot point. Arizona fans view Gallen as one of the core pieces from the 2023 World Series title run, the pitcher who delivered October poise in moments that should’ve beaten him. Giants fans, still waiting to get back to the postseason, see him as the missing anchor.
Aug 24, 2025; Phoenix, Arizona, USA; Arizona Diamondbacks pitcher Zac Gallen against the Cincinnati Reds at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images
The strategic impact is unmistakable. A move like this wouldn’t merely shift talent, it would reshape competitive leverage. If Gallen were to sign with San Francisco, it would challenge the Diamondbacks’ long-term planning more directly when it comes to their pitching rotation and the future of how they want to address the problems in the bullpen as well. Conversations don’t equal commitments, but they do signal intent.
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Reporter Benjamin Bliklen covers the Arizona Diamondbacks, Arizona Cardinals, and Phoenix Suns for Burn City Sports. You can follow him on his X account, @BenBliklen
