The 2012 season has a strong case to be the San Francisco Giants' best since moving to the West Coast. You already know about the World Series victory, but their 94-68 record is also their best regular-season performance since 2003, Matt Cain and Sergio Romo led a top-tier rotation and bullpen respectively with elite years, and a certain player may have had the best season ever at his position.
Allow me to present the case for Buster Posey's 2012 season being the best season by a catcher of all time.
Let's start with the offense.