Wells (oblique) will begin a rehab assignment at High-A Aberdeen on Friday, Zachary Silver of MLB.com reports.

EDGE Analysis

Wells threw a 30-pitch bullpen session Tuesday and will face hitters in a rehab appearance to close out the week. The Orioles haven't yet decided whether the right-hander will return as a starter or reliever, but he's closing in on his return from the IL regardless of what role he'll ultimately fills once activated.