[SI.com] Arizona Diamondbacks: Grading their off-season moves - Given as difficult a task as any in the majors, Arizona’s new front office has done well with its first moves, but the current roster still has some notable holes and a worrying amount of risk with little guaranteed production aside from Goldschmidt, Pollock, Lamb and Greinke—and, thanks to the latter’s monster contract, Arizona doesn’t have much financial room with which to operate. It will take more than one winter to undo all the mistakes Stewart and company made, but this off-season was a positive (albeit small) step in the right direction.