The Arizona Diamondbacks selected right-handed pitcher Jhoulys Chacin from Triple-A Reno to start tonight's game, optioned right-handed pitcher Zack Godley to Double-A Mobile and designated outfielder Danny Dorn for assignment, as announced by D-backs Sr. Vice President & General Manager Dave Stewart. Chacín, 27, signed with the D-backs as a Minor League free agent on June 20 and in 12 starts for Triple- Reno went 5-3 with a 3.39 ERA (30 ER in 79.2 IP) and 6 quality outings. He began the season with Triple-A Columbus (Indians) and went 6-6 with a 3.