The D-backs claimed left-hander Henry Owens off waivers from the Red Sox on Friday.
The 25-year-old went 60-42 with a 3.49 ERA over six Minor League seasons. In 2014, Owens was the Eastern League Pitcher of the Year after going 17-5 with a 2.94 ERA.
During his time with Boston, Owens went 4-6 with a 5.19 ERA in 16 Major League starts from 2015-16.
In '17, Owens combined to go 7-11 with a 4.21 ERA with Double-A Portland and Triple-A Pawtucket.
Owens was selected by the Red Sox with the 36th pick in the 2011 Draft.