Answer: Gregor Blanco
Gregor Blanco was the Braves fourth outfielder type player in the late 2000s. He appeared in over 200 games with Atlanta before being shipped to Kansas City. Blanco's best years came in San Francisco, where he won two World Series titles.
He spent over half of his ten-year big league career with the Giants, and hit 21 of his 26 career homers with the NL West squad.