Anderson (shoulder) has been throwing side sessions and will begin a rehab assignment soon, Mark Bowman of MLB.com reports.

EDGE Analysis

Anderson, who was placed on the injured list July 16 with right shoulder inflammation, is scheduled to throw another side session Monday. The righty posted a 3.56 ERA and 5-5 record in 96 innings before the injury. It's unclear exactly when Anderson will return, but he figures to require at least a couple rehab outings after the extended absence.