07/21/2015 by Jason Lempert | CBS Sports Staff

D-Backs recall RP Dominic Leone from Double-A; option Danny Dorn

The Arizona Diamondbacks have recalled right-hander Dominic Leone from Double-A Mobile on Tuesday. Leone, who as acquired from the Mariners earlier this season, has made one relief appearance for the Diamondbacks, allowing three runs on four hits in one inning on June 4. In Double-A, Leone is 1-1 with a 4.58 ERA in 17 2/3 innings.  To clear room for him on the roster, outfielder Danny Dorn was optioned to Triple-A Reno.