Anthony Rizzo is not in the Cubs' starting lineup on Tuesday night against the rival Cardinals.
Alfonso Soriano went 0-for-4 and committed his fifth error in left field Monday against the Cardinals.
David DeJesus was diagnosed with a right shoulder strain following an MRI on Monday.
Matt Garza spun seven shutout innings but was dealt a no-decision in Sunday's loss to the Mets.
Carlos Marmol had another Marmol meltdown Sunday, yielding four runs while recording just one out in a loss to the Mets.
Cubs sent RHP Eduardo Sanchez outright to Triple-A Iowa.
Scott Feldman allowed just two hits in seven innings of one-run ball in a 5-2 win over the Mets on Saturday.
Batting out of the No. 3 spot, Starlin Castro had a two-run ground-rule double in Saturday's win over the Mets.
Cubs activated RHP Shawn Camp from the 15-day disabled list.
Cubs placed OF David DeJesus on the 15-day disabled list with a right shoulder strain.
Edwin Jackson fired six innings of one-run ball Friday in a 6-3 win over the Mets.
Anthony Rizzo went 3-for-4 with two runs scored Friday against the Mets.
David DeJesus has been diagnosed with a right shoulder strain which will require a trip to the disabled list.
David DeJesus will undergo X-rays on his right shoulder, after crashing into the center field wall during the third inning of Friday's game.
David DeJesus was removed from Friday's game in the third inning after sustaining an undisclosed injury while running into the outfield wall.