Carlos Martinez is moving back to the bullpen.
Shelby Miller will start fort the Cardinals on Saturday at Wrigley Field.
Cardinals optioned LHP Nick Greenwood to Triple-A Memphis.
Cardinals activated LHP Kevin Siegrist from the 15-day disabled list.
The Cardinals are considering starting Shelby Miller on Saturday against the Cubs.
Allen Craig went 0-for-3 with a walk and two strikeouts in the Cardinals' loss to the Rays on Tuesday.
Adam Wainwright was lit up for six earned runs in 4 2/3 innings Tuesday in a loss to the Rays.
Kevin Siegrist (forearm, shoulder) is expected to return to the Cardinals' bullpen on Wednesday.
Oscar Taveras is not in the Cardinals' starting lineup on Tuesday night against the Rays.
An MRI and CT scan taken Monday on Michael Wacha's injured right shoulder showed encouraging results.
Matt Holliday (head) went 0-for-2 with a walk and two strikeouts in his return to action Sunday night versus the Dodgers.
Peter Bourjos blasted a two-run homer off Clayton Kershaw on Sunday, but it wasn't enough to lead the Cardinals to victory.
Tony Cruz had a rough night at the plate in Sunday's loss to the Dodgers, going 0-for-3 with a strikeout.
Carlos Martinez struggled in a no-decision against the Dodgers on Sunday night, allowing three runs on six hits over his four innings of work.
Kolten Wong is not in the Cardinals starting lineup for Sunday night's matchup against the Dodgers.