I was doing a baseball-stat binge during one of my computer 'classes' today and came up with some interesting numbers. We can start to do these for others I'll start with Marrero.
Player..................Age at AA................BB %..............K%........HR%.........AVG.........OBP
Marrero...................20-21..................7.7%..............20%............3.4%...........290..........348
Adrian Gonzalez.........20.................... ..9.4%..............22%............3.3%...........266..........344
Nick Swisher.............22................. .....11%...............26.2%..........3.1%...........230..........324
Prince Fielder............20.................. ....11.2%............18.7%..........4.6%...........272..........366
Dan Uggla..............24-25....................8.6%..............19.9%..........3.1%..........283..........357