Todd Frazier (hamstring) told reporters on Saturday that he does not know when he will return from the disabled list.
Frazier said a rehab assignment has not yet been scheduled.
The 32-year-old Frazier, who was placed on the 10-day DL on May 8, was eligible to return from the DL on Friday.
Frazier been playing through the hamstring issue for roughly three weeks before landing on the disabled list.
He was hitting .313 on April 16, and saw his average dip to .237 in the three weeks since. He was hitting .167/.192/.292 in six games in May.