Yadier Molina hit a two-run homer in the Cardinals' 4-1 defeat of the Cubs on Wednesday in St. Louis.
Jake Westbrook held the Cubs to one (unearned) run over seven innings Wednesday in a Cardinals victory.
David Freese is not in the Cardinals' lineup Wednesday.
Adam Wainwright was undone by a poor first inning Tuesday, allowing all four of his runs in a loss to the Cubs.
Carlos Beltran doubled and belted a solo homer in Tuesday's loss to the Cubs.
Shelby Miller reported feeling fine Tuesday after leaving Monday's start with a right leg cramp.
Despite giving up a homer for a second straight outing, Edward Mujica picked up his 20th save in 20 chances Monday in the Cardinals' 5-2 defeat of the Cubs.
Shelby Miller left Monday's start against the Cubs after five innings with a right leg cramp.
Tyler Lyons is expected to start on Friday against the Rangers.
Cardinals manager Mike Matheny said that Chris Carpenter felt some back stiffness during a long bullpen session Sunday.
Fernando Salas (shoulder) will begin a minor league rehab assignment this week with Triple-A Memphis.
Tyler Lyons was knocked around for six runs on eight hits and three walks over just 5 1/3 frames in Sunday's loss to the Marlins.
Matt Holliday is not in the Cardinals' lineup Sunday.
Yadier Molina is not in the Cardinals' lineup Sunday.
Carlos Beltran went 3-for-6 with two home runs and the Cardinals beat the Marlins 13-7 on Saturday.