Oller (ribs) was reinstated from the 15-day injured list Friday, Martin Gallegos of MLB.com reports.

EDGE Analysis

After being placed on the IL with rib costochondritis on Sept. 6, Oller is officially healthy enough to help the Athletics close out the season. He will take the spot of Collin Wiles on the roster, who was placed on the injured list Friday with a strained right shoulder.