Blocked Prospects: Joe Koshansky

25 year-old first baseman Joe Koshansky played for the same University of Virginia team as Ryan Zimmerman and Mark Reynolds. Like Reynolds he was drafted in 2004, falling (to the surprise of some) to the sixth round (pick 190). He's moved steadily through the Rockies system and in 2005 was named Baseball America's Rockies Minor League Player of the Year after hitting .291/.373/.603 with 36 home runs in 453 A ball at bats. He's maintained similar averages at Double-A Tulsa and Triple-A Colorado Springs, although his power has steadily declined. On top of that, Koshansky plays at the highest elevation...