Have the Giants officially entered a rebuild?

The San Francisco Giants entered the 2026 MLB Trade Deadline knowing their postseason hopes were all but gone.

Sitting on pace to miss the playoffs for a fifth consecutive season, president of baseball operations Buster Posey embraced the role of seller, moving several key veterans while restocking a farm system that desperately needed talent.

During Sactown Sports’ The Drive Guys, Allen Stiles and Jay Johnson agreed the Giants’ deadline activity looked less like a simple retool and more like the beginning of a franchise-wide reset.

“I think it is a rebuild,” Stiles said. “They said no to Jung Hoo Lee. They said no to Logan Webb. But pretty much everybody else was available.”

The biggest move came when San Francisco sent All-Star second baseman Luis Arraez and reliever Caleb Kilian to the Philadelphia Phillies in exchange for right-handed pitching prospect Ramon Marquez, Philadelphia’s fourth-ranked prospect, along with reliever Marty Gair.

Posey wasn’t finished.

The San Francisco Giants also traded veteran left-hander Robbie Ray and cash to the rival San Diego Padres for right-handed pitching prospect Miguel Mendez, San Diego’s fourth-ranked prospect, and shortstop Joniel Hernandez, the organization’s number-nine prospect.

In another notable deal, San Francisco shipped reliever Erik Miller and minor league outfielder Carlos Gutierrez to the Boston Red Sox for infielder Marcelo Mayer, the former fourth overall pick in the 2021 MLB Draft.

SEATTLE, WASHINGTON – JUNE 20: Marcelo Mayer #11 of the Boston Red Sox makes the catch during the ninth inning against the Seattle Mariners at T-Mobile Park on June 20, 2026 in Seattle, Washington. (Photo by Jack Compton/Getty Images)

Mayer was once regarded as one of baseball’s elite prospects but has struggled to establish himself in the majors, posting a .223/.278/.346 slash line with seven home runs over 114 career games. The 23-year-old is currently on the injured list with a bone stress reaction in his left forearm.

The San Francisco Giants also dealt outfielder Heliot Ramos to the New York Yankees for left-handed pitching prospect Henry Lalane and infielder Kaeden Kent, the son of Giants legend Jeff Kent.

Despite acknowledging the Giants have fallen short on the field, Stiles praised Posey’s ability to maximize value once the organization committed to selling.

“Buster Posey has been really good when the Giants turn into sellers,” Stiles said. “Last season, he brought back a haul, but you kind of wish you didn’t have to see how good he was with the Giants as a seller. It would be really nice to see Buster Posey with the Giants as a buyer.”

Johnson believes the influx of prospects reflects an organization finally accepting that its current core wasn’t good enough to compete.

Heliot Ramos #17 of the San Francisco Giants celebrates hitting a two-run home run against the Kansas City Royals in the bottom of the ninth inning at Oracle Park on May 21, 2025 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)

“Are the Giants entering a refresh period?” Johnson asked. “I don’t want to say a rebuild, but are they admitting that the Robbie Rays, the Ramoses and the Arraezes of the world can’t get it done together?”

Stiles believes the answer is yes, even if the Giants aren’t calling it that publicly.

“They’re willing to rebuild,” he said. “But they’re stuck with certain contracts, so they don’t want to fully rebuild.”

Whether it’s labeled a rebuild, refresh or hybrid reset, one thing became clear at this year’s trade deadline: the Giants prioritized long-term talent over short-term competitiveness.

Now, the pressure shifts from making trades to developing the wave of prospects Posey acquired into the next foundation of winning baseball in San Francisco.

More MLB content from Sactown Sports

• San Francisco Giants trade OF Heliot Ramos to Yankees
• SF Giants trade 2B Luis Arraez to Phillies for No. 4 prospect
• Braves get RHP Tyler Mahle from Giants for RHP Anthony Molina
• Dusty Baker believes Sacramento has ‘an excellent chance’ of landing MLB expansion team
• Is Sacramento ready for MLB expansion? Former A’s owner weighs in
• Derrek Lee is confident Sacramento can support an MLB Expansion team

Upcoming San Francisco Giants 2026 Schedule

• Monday, August 3rd – Wednesday, August 5th – @ Texas Rangers
• Friday, August 7th – Sunday, August 9th – vs. Detroit Tigers
• Monday, August 10th – Wednesday, August 12th – vs. Houston Astros
• Friday, August 14th – Sunday, August 16th – vs. Colorado Rockies

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