DeSclafani (shoulder) will begin a rehab assignment with the Giants' rookie-level Arizona Complex League affiliate Thursday, Susan Slusser of the San Francisco Chronicle reports.
DeSclafani is expected to require just one rehab start, setting the right-hander up to rejoin the Giants rotation next week. He has been on the shelf since early July due to right shoulder fatigue and posted a 4.44 ERA across 17 starts prior to being deactivated.