Stites was recalled from Triple-A Reno on Tuesday. Stites struggled in 37 appearances for the Diamondbacks last season, posting a 5.73 ERA with aa 1.485 WHIP in 33 innings. He's spent the bulk of 2015 at Triple-A, where he's 0-1 with a 4.35 ERA in 10.1 innings. Stites spent roughly the first two months of the season on the DL with an elbow injury.