Holderman (wrist) is expected to be activated off the injured list Friday, Jason Mackey of the Pittsburgh Post-Gazette reports.
If that is indeed the case, it will be just a minimum 15-day IL stint for Holderman to heal from a bout of right wrist inflammation. The 27-year-old has posted a 4.01 ERA and 28:7 K:BB in 24.2 innings this season out of the Pirates' bullpen.