The Cardinals optioned Woodford to the Florida Complex League on Saturday.
Woodford is scheduled to start Friday's game against the Reds at Busch Stadium.
The Cardinals list Woodford as their probable starting pitcher for Saturday's game against the Padres in San Diego.
The Cardinals recalled Woodford from Triple-A Memphis on Monday.
The Cardinals reinstated Woodford (shoulder) from the 15-day injured list Friday and optioned him to Triple-A Memphis, Jeff Jones of the Belleville News-Democrat reports.
Woodford (shoulder) struck out six and worked around two hits and one walk in 3.1 scoreless innings in his latest rehab appearance Tuesday with Triple-A Memphis.
Woodford (shoulder) yielded just one hit while striking out six over five scoreless frames in a rehab start with Double-A Springfield on Wednesday.
Woodford (shoulder) made his third rehab start Thursday with Triple-A Memphis, striking out three over 1.2 scoreless innings. He gave up one hit and walked one.
Woodford (shoulder) is slated to throw a bullpen session Saturday, John Denton of MLB.com reports.
Woodford (shoulder) has begun a throwing program, Daniel Guerrero of the St. Louis Post-Dispatch reports.