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...when I was calculating defensive numbers using a combination of Bill James' unit-driven production stats and more modern approaches to defining replacement level defensive play, I found only two center fielders in the history of the game with numbers remotely comparable to Andruw Jones. Paul Blair and Curt Flood. Lots of guys one shade down, either because they were inconsistent or because their peak was less impressive, but Jones and Blair were stunningly close in terms of career defensive value as of 2005.