Pirates Roster & Staff
Transactions
| Date | Transaction |
| 08/25/15 | Pittsburgh Pirates sent SS Pedro Florimon outright to Indianapolis Indians. |
| 08/23/15 | Pittsburgh Pirates sent RHP Josh Wall outright to Indianapolis Indians. |
| 08/23/15 | Pittsburgh Pirates activated SS Jordy Mercer from the 15-day disabled list. |
| 08/23/15 | Pittsburgh Pirates placed 1B Travis Ishikawa on the 15-day disabled list retroactive to August 20, 2015. Low back strain |
| 08/21/15 | Pittsburgh Pirates activated 2B Josh Harrison from the 15-day disabled list. |
| 08/21/15 | Pittsburgh Pirates designated RHP Josh Wall for assignment. |
| 08/20/15 | Pittsburgh Pirates signed free agent RF Travis Snider to a minor league contract. |
| 08/20/15 | Pittsburgh Pirates sent 1B Corey Hart on a rehab assignment to Indianapolis Indians. |
| 08/19/15 | Pittsburgh Pirates selected the contract of RHP Josh Wall from Indianapolis Indians. |
| 08/19/15 | Pittsburgh Pirates designated SS Pedro Florimon for assignment. |
| 08/17/15 | Pittsburgh Pirates sent RHP Rob Scahill on a rehab assignment to Indianapolis Indians. |
| 08/16/15 | Pittsburgh Pirates sent RHP Rob Scahill on a rehab assignment to Indianapolis Indians. |
| 08/16/15 | Pittsburgh Pirates sent RHP Rob Scahill on a rehab assignment to Indianapolis Indians. |
| 08/16/15 | Pittsburgh Pirates signed free agent RHP Frank Herrmann to a minor league contract. |
| 08/11/15 | Pittsburgh Pirates sent RHP Wilfredo Boscan outright to Indianapolis Indians. |
| 08/11/15 | Pittsburgh Pirates sent 3B Josh Harrison on a rehab assignment to Indianapolis Indians. |
| 08/11/15 | Pittsburgh Pirates sent SS Jordy Mercer on a rehab assignment to Indianapolis Indians. |
| 08/07/15 | Pittsburgh Pirates sent RHP Vance Worley outright to Indianapolis Indians. |
| 08/07/15 | Pittsburgh Pirates placed RHP Deolis Guerra on the 15-day disabled list. left knee inflammation |
| 08/07/15 | Pittsburgh Pirates designated RHP Wilfredo Boscan for assignment. |
| 08/06/15 | Pittsburgh Pirates sent RHP Rob Scahill on a rehab assignment to GCL Pirates. |
| 08/03/15 | Pittsburgh Pirates optioned LF Jaff Decker to Indianapolis Indians. |
| 08/03/15 | Pittsburgh Pirates activated 1B Michael Morse. |
| 08/01/15 | Pittsburgh Pirates optioned LHP Bobby LaFromboise to Indianapolis Indians. |
| 08/01/15 | Pittsburgh Pirates activated LHP J.A. Happ. |