The Diamondbacks shuffled their bullpen Sunday, adding recently claimed reliever Brad Bergesen to the roster and sending Bryan Shaw to Triple-A Reno.
Bergesen, 26, was claimed off waivers from the Orioles on Friday. He had been called up to Baltimore just three days earlier from Triple-A Norfolk, where he was 4-3 with a save and a 4.03 ERA in 22 games, including 10 starts. In 12 relief appearances, he was 2-0 with a save and a 2.89 ERA. Bergesen also spent parts of three seasons with the Orioles from 2009-11 and went 17-24 with a 4.68 ERA in 83 games. In 24 career relief outings in the majors, he has a 5.36 ERA.
Bergesen is expected to assume the long-relief role that had belonged to Josh Collmenter, who moved into the rotation following the demotion of Trevor Bauer.
Shaw was one of the D-backs' best relievers early in the season but has struggled badly of late, with his ERA ballooning from 2.67 to 4.26 over his past six appearances. In his last two outings, the 24-year-old Shaw...