EVERY WEEKDAY FOR THE REST OF THE YEAR FutureBacks.com will bring you a profile of a top Diamondbacks prospect. That's more than 35 profiles coming to you in just over a month and a half. It all leads up to the FutureBacks.com Top 50, a ranking of the 50 best prospects on the Diamondback's horizon. Today  Managing Editor James Renwick hits his spots with lefty craftsman Clint Goocher.