Why are positional adjustments different for infielders who play the same position? For example, Adrian Gonzalez's positional adjustment for being a first baseman is -12.1 whereas Joey Votto's is -11.0. I don't understand, is first base defense at Great American Ball Park more valuable than that of Petco Park?
Major League Leaderboards » 2010 » First Basemen » Value Statistics | FanGraphs Baseball