Kevin Simmons (16th round), Mike Abreu Jr. (17th) and Tyler Bolton (33rd) have agreed to contracts as well; all have been assigned to Missoula.
On Wednesday the D-backs announced agreements with 15 Draft picks, including Isan Diaz, who they selected with pick No. 70. Diaz signed for $750,000, below the slotted pick value of $804,600.
The D-backs have agreed to terms with 19 of their 42 picks.
Mike Vernon is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.