Drohan (4-3) took the loss in the second game of Saturday's doubleheader against the Pirates, giving up three runs on five hits over 6.1 innings. He struck out six without walking a batter.
Sproat didn't factor into the decision in the first game of Saturday's doubleheader against the Pirates, giving up three runs (two earned) on two hits and two walks over three innings. He struck out three.
Brewers manager Pat Murphy said that Misiorowski won't pitch in Sunday's series finale against the Pirates after experiencing some fatigue coming out of his previous start Tuesday, Sophia Minnaert of Brewers.tv reports.
The Brewers placed Harrison on the 15-day injured list Saturday, retroactive to Thursday, with left forearm tightness, Curt Hogg of the Milwaukee Journal Sentinel reports.
Henderson (3-1) earned the win over St. Louis on Thursday, allowing three runs on three hits and one walk while striking out four batters over 5.1 innings.
The Brewers reinstated Henderson (back) from the injured list ahead of his start Thursday against the Cardinals, Todd Rosiak of the Milwaukee Journal Sentinel reports.
Harrison said after Wednesday's loss to the Cardinals that he has been dealing with soreness on the outside of his elbow over the past few weeks, Adam McCalvy of MLB.com reports.
Harrison (8-2) was tagged with the loss Wednesday against the Cardinals, allowing three runs on four hits and no walks in four innings. He struck out two.