Rojas is out of the lineup for Wednesday's game against the Cubs.
Rojas had started in each of the Phillies' last five games, but he may fade into more of a fourth-outfielder role heading into the postseason after Austin Hays returned from the injured list Tuesday. Hays, Brandon Marsh and Nick Castellanos will likely represent the Phillies' preferred outfield trio against right-handed pitching, though Rojas could replace the left-handed-hitting Marsh in the lineup when Philadelphia opposes lefties.