Buster Posey
The San Jose Giants have developed more than 190 major league players, including Buster Posey, Tim Lincecum, Jonathan Sánchez, Matt Cain, Brian Horwitz, Noah Lowry, Merkin Valdez, Chad Zerbe, Russ Ortiz, Bill Mueller, Doug Mirabelli, Rod Beck, Joe Nathan, Francisco Liriano, Shawn Estes, Emmanuel Burriss, Andrés Torres, Pablo Sandoval, Madison Bumgarner and Adam Duvall.