The Diamondbacks set their player development staff, including promotions for Shelley Duncan and J.R. House.
DSL Diamondbacks skipper Juan Francia is the lone returning field manager.
Jerry Narron (Reno) and Butch Hobson (Kane County, Ill.) are newcomers to the organization. J.R. House, who spent the past two seasons in Visalia (Calif.), will take over in Jackson (Miss.).
Former Tucson Canyon del Oro High and University of Arizona standout Shelley Duncan, who played seven seasons in the major leagues, is the new manager in Visalia after spending the past two years in Hillsboro, Ore., and Mike Benjamin, who led Kane County (Ill.