The Fielding Bible, which is a Bill James thing, has announced its conclusion of the best fielder at every position, and Jack Wilson wins at SS.  The link shows that they have been giving the awards since 2006, but Wilson is the first Pirate to show up (of course, at a time when he was no longer a Pirate).  Some players, like Pujols, have won every year, but at other positions it has changed every year, so the voters don't just go by legacy.

http://www.billjamesonline.net/fieldingbible/the-winners.asp

I'm not a sabermetrician, and I am not really familiar with Dan Fox, but maybe others can comment on how significant this is, and if this writer has any particular interests or areas of expertise.  I thought it was at least interesting and a good sign that they are looking for new perspectives.  Scroll down to the bottom of the article, and it reveals that the Pirates front office has hired a contributor to Baseball Prospectus.

UPDATE by Charlie: This is pretty interesting. Fox's work with BP has included the development of a system to evaluate fielding that takes into account factors like pitcher handedness. This could be of particular relevance to the Pirates, who have tried to build around left-handed pitching and now have three lefty groundball pitchers in their rotation.