"Two guys going down today, they are still in the mix," manager Jeff Banister said. "But we have to be better in that category. We're going to give Lohse the opportunity to come up here and give us the best professional start we can get."
Lohse, 37, was signed to a Minor League contract by the Rangers on May 14 and was 2-5 with a 5.06 ERA in 10 starts at Round Rock. He allowed three runs in seven innings in his last start against New Orleans on Saturday.
Lohse has spent 15 years in the big leagues with a career record of 147-141 with a 4.37 ERA in 455 games, including 416 starts. The Twins were his original team, pitching for them in 2001-06.
T.R. Sullivan has covered the Rangers since 1989, and for MLB.com since 2006. Follow him on Twitter @Sullivan_Ranger and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.