Pirates Roster & Staff
Transactions
| Date | Transaction |
| 04/25/15 | Pittsburgh Pirates sent SS Justin Sellers on a rehab assignment to Indianapolis Indians. |
| 04/20/15 | Pittsburgh Pirates sent SS Justin Sellers on a rehab assignment to Bradenton Marauders. |
| 04/18/15 | Pittsburgh Pirates optioned LF Jaff Decker to Indianapolis Indians. |
| 04/17/15 | Pittsburgh Pirates optioned C Tony Sanchez to Indianapolis Indians. |
| 04/17/15 | Pittsburgh Pirates activated C Chris Stewart from the 15-day disabled list. |
| 04/13/15 | Pittsburgh Pirates activated LHP Francisco Liriano from the paternity list. |
| 04/13/15 | Pittsburgh Pirates optioned RHP Casey Sadler to Indianapolis Indians. |
| 04/12/15 | Pittsburgh Pirates sent C Chris Stewart on a rehab assignment to Indianapolis Indians. |
| 04/11/15 | Pittsburgh Pirates sent SS Pedro Florimon outright to Indianapolis Indians. |
| 04/11/15 | Pittsburgh Pirates placed LHP Francisco Liriano on the paternity list. |
| 04/11/15 | Pittsburgh Pirates recalled Casey Sadler from Indianapolis Indians. |
| 04/11/15 | Texas Rangers claimed RHP Stolmy Pimentel off waivers from Pittsburgh Pirates. |
| 04/09/15 | Pittsburgh Pirates sent OF Jaff Decker on a rehab assignment to Indianapolis Indians. |
| 04/09/15 | Pittsburgh Pirates sent C Chris Stewart on a rehab assignment to Altoona Curve. |
| 04/05/15 | Pittsburgh Pirates designated SS Pedro Florimon for assignment. |
| 04/05/15 | Pittsburgh Pirates designated RHP Stolmy Pimentel for assignment. |
| 04/05/15 | Pittsburgh Pirates placed SS Justin Sellers on the 15-day disabled list retroactive to March 27, 2015. Left heel pain |
| 04/05/15 | Pittsburgh Pirates placed RHP Charlie Morton on the 15-day disabled list. Recovering from September 2014 right hip surgery |
| 04/05/15 | Pittsburgh Pirates recalled RHP Rob Scahill from Indianapolis Indians. |
| 04/05/15 | Pittsburgh Pirates placed RHP Brandon Cumpton on the 15-day disabled list retroactive to March 27, 2015. Recovering from March 2015 Tommy John surgery |
| 04/05/15 | Jaff Decker roster status changed by Pittsburgh Pirates. |
| 04/05/15 | Pittsburgh Pirates placed C Chris Stewart on the 15-day disabled list retroactive to March 27, 2015. Right hamstring strain |
| 04/02/15 | Milwaukee Brewers traded 1B Hunter Morris to Pittsburgh Pirates for Player To Be Named Later. |
| 04/02/15 | RF Josh Bell assigned to Pittsburgh Pirates. |
| 04/01/15 | Pittsburgh Pirates released RF Danny Collins. |
| 04/01/15 | C Jin-De Jhang assigned to Pittsburgh Pirates. |
| 04/01/15 | Pittsburgh Pirates released RHP Joan Montero. |
| 04/01/15 | Pittsburgh Pirates released OF Taylor Lewis. |