Shipley, 22, was the D-backs first-round pick (15th overall) in the 2013 First-Year Player Draft out of the University of Nevada.
Shipley began the year at Class A South Bend where he went 4-2 with a 3.74 ERA in eight starts before being promoted to Advanced-A Visalia.
In four starts for Visalia, Shipley has compiled a 2.81 ERA.
Steve Gilbert is a reporter for MLB.com. Follow him on Twitter @SteveGilbertMLB. Adam Lichtenstein is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.