Pirates Roster & Staff
Transactions
| Date | Transaction |
| 10/30/15 | Pittsburgh Pirates signed free agent LHP Angel Martinez to a minor league contract. |
| 10/30/15 | Pittsburgh Pirates signed free agent RHP Oliver Garcia to a minor league contract. |
| 10/30/15 | Pittsburgh Pirates signed free agent RHP Joel Cesar to a minor league contract. |
| 10/30/15 | Pittsburgh Pirates signed free agent SS Rodolfo Castro to a minor league contract. |
| 10/26/15 | Pittsburgh Pirates claimed Jorge Rondon off waivers from Baltimore Orioles. |
| 10/24/15 | Pittsburgh Pirates traded RHP Richard Mitchell to Miami Marlins for RHP Trevor Williams. |
| 10/24/15 | Pittsburgh Pirates traded RHP Richard Mitchell to Miami Marlins for RHP Trevor Williams. |
| 10/22/15 | Pittsburgh Pirates sent RHP Deolis Guerra outright to Indianapolis Indians. |
| 10/22/15 | 1B Travis Ishikawa elected free agency. |
| 10/22/15 | RF Travis Snider elected free agency. |
| 10/20/15 | Baltimore Orioles claimed RHP Vance Worley off waivers from Pittsburgh Pirates. |
| 10/08/15 | Pittsburgh Pirates activated RHP Charlie Morton. |
| 10/08/15 | Pittsburgh Pirates activated LF Jaff Decker. |
| 10/08/15 | Willy Garcia roster status changed by Pittsburgh Pirates. |
| 10/08/15 | Pittsburgh Pirates activated LHP J.A. Happ. |
| 10/08/15 | Pittsburgh Pirates activated 1B Travis Ishikawa. |
| 10/08/15 | Pittsburgh Pirates activated LHP Jeff Locke. |
| 10/08/15 | Pittsburgh Pirates activated C Tony Sanchez. |
| 10/08/15 | Rob Scahill roster status changed by Pittsburgh Pirates. |
| 10/08/15 | Jameson Taillon roster status changed by Pittsburgh Pirates. |
| 10/08/15 | Nick Kingham roster status changed by Pittsburgh Pirates. |
| 10/08/15 | John Holdzkom roster status changed by Pittsburgh Pirates. |
| 10/08/15 | Pittsburgh Pirates activated LHP Bobby LaFromboise. |
| 10/08/15 | Alen Hanson roster status changed by Pittsburgh Pirates. |
| 10/08/15 | Pittsburgh Pirates activated RHP A.J. Burnett. |
| 10/08/15 | Pittsburgh Pirates activated RHP Vance Worley. |
| 10/07/15 | Pittsburgh Pirates reassigned LHP Bobby LaFromboise to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned RHP Rob Scahill to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned LHP J.A. Happ to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned 1B Travis Ishikawa to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned LF Jaff Decker to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned RHP Vance Worley to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned RHP Charlie Morton to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned LHP Jeff Locke to the minor leagues. |
| 10/07/15 | Pittsburgh Pirates reassigned RHP A.J. Burnett to the minor leagues. |
| 10/05/15 | Pittsburgh Pirates recalled RHP John Holdzkom from Indianapolis Indians. |
| 10/05/15 | Pittsburgh Pirates recalled RHP Nick Kingham from Indianapolis Indians. |
| 10/05/15 | Pittsburgh Pirates recalled C Tony Sanchez from Indianapolis Indians. |
| 10/05/15 | Pittsburgh Pirates recalled RHP Jameson Taillon from Indianapolis Indians. |
| 10/05/15 | Pittsburgh Pirates recalled RF Willy Garcia from Indianapolis Indians. |
| 10/05/15 | Pittsburgh Pirates recalled SS Alen Hanson from Indianapolis Indians. |