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Athletics steal Brewers' front office executive to fill general manager vacancy

Interest in the Brewers' unparalleled front office is unsurprisingly on the rise.
ByOwen Jonas
Jul 21, 2026; Phoenix, Arizona, USA; Athletics pitching coach Dan Hubbs (right) with manager Mark Kotsay against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images
Jul 21, 2026; Phoenix, Arizona, USA; Athletics pitching coach Dan Hubbs (right) with manager Mark Kotsay against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images | IMAGN IMAGES via Reuters Connect

Perhaps the only downside to winning a World Series Championship is the league-wide interest it builds in the players, coaches, and front office executives who delivered the title. The Milwaukee Brewers, whose organizational excellence has created a perennial contender in the smallest market in baseball, are no strangers to this trend.

Already, talks of the sizable, multi-year contract that NLCS MVP Jake Bauers could earn on the free agent market have tempered fans' hopes to see the 2026 breakout slugger back in a Brewers uniform next year. Trade rumors involving William Contreras and Trevor Megill, the battery that closed out Milwaukee's World Series title, have already sprung up. Teams want in on the Brewers' secrets after they defied the broken financial system of Major League Baseball and brought home the franchise's first World Series title.

That much is now more obvious after the Athletics' latest front office hiring. Hoping to officially turn the page on what has been a rough five seasons, the Athletics, as they relocate to Las Vegas, are re-shaping their front office. After mutually parting ways with former general manager David Forst back in August, the Athletics have hired 31-year-old Taylor Smith, formerly of the Tampa Bay Rays and Boston Red Sox, to be their president of baseball operations. Just moments ago, as reported by MLB insider Ken Rosenthal, the Athletics announced that they are stealing front office executive Cam Castro from the Brewers to serve as their new general manager under Smith.

Athletics hire Brewers' VP of player development Cam Castro as new general manager

Castro, who joined the Brewers' organization back in 2019, has a coaching and pitching development background. After serving as the head coach of Lake Erie College in Ohio for three years, Castro was hired by the Brewers as a minor league pitching coach. However, he quickly became the organization's minor league pitching coordinator and two years later was named the director of pitching development. From there, it took Castro just one year to become the vice president of player development and after the 2024 season he was named the Brewers' senior vice president of player development and performance.

Castro's background in pitching and player development will be key to the next phase of Athletics baseball. The organization is clearly trying to shift from their old ways of doing business and the duo of Smith and Castro is an intriguing pair to lead that transformation.

Around the league, teams with front office vacancies are looking to the Brewers for candidates. According to a report from MLB.com's Adam McCalvy, long-time Brewers assistant GM Matt Kleine was offered the Houston Astros' GM job, but declined and will remain with the organization.

Losing Castro is certainly a tough blow for the Brewers, but one that comes with the recent success they've had. The Brewers, however, have built a system that is bigger than any one individual and has proven to be able to withstand key departures throughout the years.

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