The Cardinals have tentativly set their rotation for the rest of the 2019 season. They have indicated it could be altered for the last series of the year if needed.
Here is the tentative rotation the rest of the season:
Saturday-Sunday at Pittsburgh: Adam Wainwright, Flaherty.
Tuesday-Thursday at Colorado: Wacha, Hudson, Mikolas.
Sept. 13-15 vs. Milwaukee: Wainwright, Flaherty, Wacha.
Sept. 16-18 vs. Washington: Hudson, Mikolas, Wainwright.
Sept. 19-22 at Chicago: Flaherty, Wacha, Hudson, Mikolas.
Sept. 23-25 at Arizona: Wainwright, Flaherty, Wacha.
Sept. 27-29 vs. Chicago: Hudson, Mikolas, Wainwright/Flaherty.