Fry was recalled from Triple-A Reno on Wednesday.
Fry made 12 relief appearances for the Orioles to begin the year, but he was designated for assignment after he posted a 6.00 ERA and 1.33 WHIP in 12 innings. He was traded to Arizona in mid-May and should take on a bullpen role after Humberto Castellanos (elbow) was placed on the 15-day injured list Wednesday.