Stephen Piscotty might not play Thursday due to a bruised left foot.
Carlos Martinez did not surrender a run in six innings, allowing eight hits and a walk while striking out three batters in a strong no-decision effort versus the Royals on Wednesday.
Working the eighth in a scoreless game, Jonathan Broxton gave up a run on two hits and a walk Wednesday against the Royals.
Matt Adams went 0-for-6 with three strikeouts in Wednesday's 12-inning loss to the Royals.
Stephen Piscotty hit a game-tying home run in the bottom of the 10th inning on Wednesday.
Matt Carpenter went 2-for-3 with a home run and two runs scored to help the Cardinals top the Royals 8-4 on Tuesday.
Matt Adams (back) went 2-for-3 with an RBI in his return to the lineup Tuesday.
Seung Hwan Oh was called on to pitch in a non-save situation in the ninth inning Tuesday against the Royals.
Michael Wacha fought to earn a quality start Tuesday, allowing four runs -- three earned -- on nine hits over six innings in a win over the Royals.
Aledmys Diaz is expected to miss a few games until the swelling above his right eye subsides.
Cardinals designated C Eric Fryer for assignment.
Cardinals activated C Brayan Peña from the 15-day disabled list.
Adam Wainwright struck out seven but allowed six runs -- four earned -- over five innings in Monday's loss to the Royals.
Matt Holliday doubled and launched a two-run homer in Monday's loss to the Royals.
Aledmys Diaz (eye) will go to the hospital Monday night for further testing.