"Having some length in our bullpen," Showalter said. "Where our bullpen is constituted, we didn't have any length. Especially 13 days in a row [with a game]."
This will be McFarland's second stint with the Orioles this season, as he was optioned on April 25. Brach appeared in two games, allowing three runs on five hits in 1 2/3 innings.
Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Facebook and Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.