The San Francisco Giants fell well short of the expectations set for the team ahead of the 2026 MLB season. While they won’t be making the playoffs this year, president of baseball operations Buster Posey did pull off something historic when it comes to MLB farm system rankings.
MLB.com released its final rankings of all 30 farm systems aroun the league following the MLB trade deadline and the 2026 MLB Draft. San Francisco was deemed to have the fifth-best farm system in the league, an ascent from No. 19 entering the preseason that is historic from that outlet, particularly when it comes to year-to-year improvements.
Related: Why Buster Posey, SF Giants Were Big Winners of MLB Trade Deadline
“Their 14-spot jump from our previous rankings is one shy of the best ever, and no organization has made as dramatic a move in so short a time as San Francisco improving from No. 28 in the 2025 preseason to No. 5 now..”
MLB.com on the San Francisco Giants improved farm system
Posey and Giants general manager Zack Minasian pivoted quickly during the season from their original aspirations to compete for a playoff spot to stocking the farm system. It started with the Patrick Bailey trade, netting them the 29th overall pick in the 2026 MLB Draft and pitching prospect Matt Wilkinson.
Wilkinson, who has a 3.40 ERA with just 59 hits allowed across 20 minor-league starts this season, is poised to make his MLB debut this week and projects long-term as a back-end starter with years of club control. Starting pitcher Carson Bolemon, who San Francisco landed with that 29th pick, is now rated 10th among the Giants top prospects in 2026.
San Francisco was also the most active seller at the MLB trade deadline, sending out Tyler Mahle, Luis Arraez, Caleb Kilian, Robbie Ray, Heliot Ramos and Erik Miller from their major-league roster. In exchange, the team bought low on former top prospect Marcelo Mayer and acquired a haul of Anthony Molina, Ramon Marquez, Marty Gair, Miguel Mendez, Joniel Hernandez, Henry Lalane and Kaeden Kent
Related: Yankees Might Already Be Regretting Another Trade with SF Giants
There are now five Giants’ players–Josuar Gonzalez, SS/2B (No. 17), Luis Hernández, SS/3B (No. 27); Jackson Flora, RHP (No. 31): Jhonny Level, SS/2B (No. 47) and Ramon Marquez, RHP (No. 100)–now on MLB PIpeline’s top-100 prospects list. Notably, MLB.com isn’t even the highest outlet on this farm system.
In Baseball America’s MLB farm system rankings released on Aug. 12, San Francisco came in fourth. That’s even with Giants’ No. 1 prospect Bryce Eldridge graduating off the list. The one knock on this group, fairly, is that the large majority of the team’s top prospects are years away from reaching the majors even in the best-case outcome for player development and some of them will not pan out.
“After a very busy trade deadline, the Giants now have one of the deepest farm systems in baseball. That said, it is very much stacked in the lower levels of the minors, so there’s a lot of runway left for the team’s top talent.”
Baseball America on the San Francisco Giants farm system
Still, what matters is that Posey and Minasian pulled off a one-year overhaul of the Giants’ farm system that likely is the envy of many other clubs around baseball. There’s still a lot of work to be done before San Francisco is a playoff contender again, but the Milwaukee Brewers and Los Angeles Dodgers are perfect examples of what can happen in the majors when you devote resources to scouting and player development.
Matt Johnson is Senior Editor of NFL and College Football for Sportsnaut. His work, including weekly NFL and college … More about Matt Johnson