Michael Wacha said he "felt great" after a 30-pitch bullpen session Sunday.
The Cardinals have decided to skip Michael Wacha's next scheduled start on Sunday.
Michael Wacha struggled in his second start coming off the disabled list, giving up six runs -- five earned -- over four innings in a loss to the Reds.
Michael Wacha made his first start since June 17 and pitched well, despite lasting only three innings against the Brewers on Thursday.
Cardinals activated RHP Michael Wacha from the 60-day disabled list.
Michael Wacha (shoulder) will return to the Cardinals' starting rotation Thursday versus the Brewers.
Michael Wacha (shoulder) tossed two scoreless innings Sunday in his rehab debut at Double-A Springfield.
Michael Wacha (shoulder) has been cleared to make his first rehab start Sunday at Double-A Springfield.
Michael Wacha (shoulder) will report to Double-A Springfield to throw live batting practice on Wednesday.
Cardinals general manager John Mozeliak said Wednesday that Michael Wacha (shoulder) could begin a minor league rehab assignment within two weeks.
Michael Wacha (shoulder) threw a 35-pitch bullpen session Monday what Cardinals manager Mike Matheny estimated at 75-80 percent intensity.
Michael Wacha (shoulder) threw a 30-pitch bullpen session on Saturday.
Michael Wacha (shoulder) has increased the distance of his flat-ground throwing to 120 feet.
Derrick Goold of the St. Louis Post-Dispatch reports that the Cardinals are targeting mid-September for Michael Wacha's (shoulder) return.