Lohse was originally scheduled to start on Tuesday against the Blue Jays, but Mike Fiers will start in his place. The 35-year-old, who is 11-7 with a 3.49 ERA in 25 starts this season, rolled the ankle in his Aug. 2 start in St. Louis. He made two subsequent starts but couldn't push off the mound properly. He left his start against the Cubs on Wednesday after aggravating the injury in the third inning.
"I'm not exactly sure where [Lohse] goes back in," said manager Ron Roenicke. "It will really depend on how the ankle is and where we see that he's close to 100 percent."
The Brewers (68-55) enter play on Saturday two games ahead of the Cardinals in the NL Central.
- Chris Mascaro